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      <image:title>PRO 11 wood boiler, 55K BTU</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/pellet150_ff28266d-8d01-47e1-aa08-3a9fce75e9ab.png?v=1755327607</image:loc>
      <image:title>Parts Pellet Duo 150-300-500-1000</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/uni-parts-150-1000</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/uni150.png?v=1755327605</image:loc>
      <image:title>Parts UNI 150-300-500-1000</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/eko-parts-150-1000</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/eko150_74dca7d7-d0b9-4b8f-b75d-66358b9af0c2.png?v=1755327602</image:loc>
      <image:title>Parts EKO DUO 150-300-500-1000</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-72k-btu</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Copy_of_5T170_410390fa-bf3d-44d4-9b4d-5a87afe612a0.png?v=1755327601</image:loc>
      <image:title>APOLLO Central Heat Pump - 72k btu / 6 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-60k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Copy_of_5T170.png?v=1755327600</image:loc>
      <image:title>APOLLO Central Heat Pump - 60k btu / 5 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-42k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Copy_of_3.5T171.png?v=1755327598</image:loc>
      <image:title>APOLLO Central Heat Pump - 42k btu / 3.5 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/glycol-refractometer</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/1a.jpg?v=1755327597</image:loc>
      <image:title>Glycol Tester</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-boiler-thermostat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_783fa4ea-4636-4762-a37c-39759d0a4f94.jpg?v=1755327594</image:loc>
      <image:title>APOLLO Wi-Fi Boiler Thermostat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wall-fan-coil</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/perspective_2.png?v=1755327590</image:loc>
      <image:title>APOLLO Wall Mounted Fan Coil Unit (FCU)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/radiant-mixing-valve-1</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Thermostatic_valve_front.jpg?v=1759368680</image:loc>
      <image:title>Radiant Mixing Valve</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-manifold-actuator-24vac</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard-fondo-blanco.png?v=1762091617</image:loc>
      <image:title>APOLLO Manifold Actuator 24VAC/DC</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/wifi-electric-baseboard-thermostat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_d986440f-f55f-44c7-890a-d34bb9f5ef0d.jpg?v=1755327586</image:loc>
      <image:title>APOLLO Wi-Fi Electric Heater Thermostat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/flow-bypass-valve</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/flowbypassvalve.png?v=1755327584</image:loc>
      <image:title>Flow Bypass Valve</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/phoenix-35-compact-pellet-boiler-120k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/new_front.jpg?v=1755327579</image:loc>
      <image:title>PHOENIX 35, Compact Pellet Boiler, 120K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/phoenix-18-compact-pellet-boiler-61k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/new_front_c8b10d24-5c1a-45df-b8a0-a75044810bb2.jpg?v=1755327577</image:loc>
      <image:title>PHOENIX 18, Compact Pellet Boiler, 61K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-hydro-smart-station</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/4_27901436-2e3d-459c-9f1f-d82475020a8d.png?v=1769704115</image:loc>
      <image:title>APOLLO Hydro Smart Station</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-bf25-stainless-buffer-tank</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/BF25-0.jpg?v=1755327570</image:loc>
      <image:title>APOLLO BF25 - Stainless Buffer Tank - 25gal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-bf-stainless-tanks-175-250</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/AP-BF175-0C492.png?v=1755327568</image:loc>
      <image:title>APOLLO Stainless Buffer Tank - 175/250gal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-2-50-180f-high-flow</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/GEM2INCH.png?v=1755327567</image:loc>
      <image:title>Pump High Efficiency 2&quot; - 50-180F High Flow</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-phoenix-pellets-18-50</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/phoenix30_4.png?v=1755327564</image:loc>
      <image:title>Parts Phoenix</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/adjustable-aquastat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Aquastat.png?v=1755327564</image:loc>
      <image:title>Aquastat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-radiant-floor-thermostat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_6e4259d1-9538-4254-bf05-fa7d46fbee18.jpg?v=1755327561</image:loc>
      <image:title>APOLLO Wi-Fi Radiant Floor Thermostat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-pro-11-30</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/products/pro11.png?v=1755327560</image:loc>
      <image:title>Parts PRO 11 - 30</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-boiler-aquastat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_ef8f0ffa-85d2-4293-a428-23af4a6b6f2d.jpg?v=1755327554</image:loc>
      <image:title>APOLLO Wi-Fi Boiler Aquastat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wifi-pool-aquastat</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_d4ef5f4b-62d2-4e2a-9385-1d4b1c0d9784.jpg?v=1755327552</image:loc>
      <image:title>APOLLO Wi-Fi Pool Aquastat</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-4-100-120f-high-flow</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/GEM120_d50e8e78-828b-4ee1-ba36-0cdbdfc5622a.png?v=1755327550</image:loc>
      <image:title>Pump High Efficiency 4&quot; - 100-120F High Flow</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-1-1-4</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/GEB-CAST-IRON.png?v=1755327549</image:loc>
      <image:title>Pump High Efficiency 1 1/4&quot;</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/industrial-flow-switch</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Flow_Switch_Apollo.png?v=1774992364</image:loc>
      <image:title>Flow Switch Pool</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-apollo-air-to-water</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/IG_24.png?v=1773869579</image:loc>
      <image:title>Parts - Apollo Air to Water Heat Pump</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-central-air-handling-ahu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/AHU_6T_1.png?v=1755327544</image:loc>
      <image:title>APOLLO Central Air Handling AHU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/motorized-control-damper</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/MotorizedDamper_3_eaeec7a7-b8b9-46a9-bbb5-d70972504d7b.png?v=1755327543</image:loc>
      <image:title>APOLLO Motorized Zone Damper</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-dhw120-max</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/AP-BF175-0C494.png?v=1755327541</image:loc>
      <image:title>APOLLO DHW120 MAX - Stainless Combined Indirect Water Heater Tank</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-floor-fan-coil</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FLOOR_FCU_1.png?v=1755327539</image:loc>
      <image:title>APOLLO Floor Fan Coil FCU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pro-30-boiler-105k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Pro_Wood_59793638-610c-46a0-858c-21c641b7f58b.jpg?v=1755327536</image:loc>
      <image:title>PRO 30 wood boiler, 105K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-8-zone-valve-control</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1_324b76df-7e9c-40b1-9967-36ab79672f0e.png?v=1758647465</image:loc>
      <image:title>APOLLO 8 Zone Valve Control</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-6-way-valve</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/tribus_act_usa_3d_n68084-e1598475162685_142e85d7-2ee1-4ab7-84b2-c770b41e4c13.png?v=1762007393</image:loc>
      <image:title>APOLLO 6-Way Valve</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/dio-duo-500-woodchip-1700k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/tis-hard-bio-1200x800_44e31bcb-d9ce-4b86-b159-2efb675c82dd.jpg?v=1755327529</image:loc>
      <image:title>BIO DUO 500, Woodchip Boiler 1700K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/bio-duo-50-woodchip-170k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1Aside1.jpg?v=1755327528</image:loc>
      <image:title>BIO DUO 50, Woodchip Boiler 170 KBTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/bio-duo-100-woodchip-340k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1Aside1_50b91b0f-3e77-4d71-8b00-4c84e78d56e4.jpg?v=1755327526</image:loc>
      <image:title>BIO DUO 100, Woodchip Boiler 340K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/bio-duo-1000-woodchip-3400k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/tis-hard-bio-1200x800_e4cec738-6c59-4975-910f-b68f0f617640.jpg?v=1755327525</image:loc>
      <image:title>BIO DUO 1000, Woodchip Boiler 3400K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/eko-duo-1000-boiler-3400k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/eko-hard-main_e0e60c37-1112-4d46-9b17-ff256f2d34ab.jpg?v=1755327523</image:loc>
      <image:title>EKO DUO 1000 hybrid boiler, 3400K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pellet-duo-1000-boiler-3400k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Pellet-hard-main_2894c390-bd29-4482-beee-85756bf42395.jpg?v=1755327522</image:loc>
      <image:title>PELLET DUO 1000 boiler, 3400K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/eko-duo-500-boiler-1700k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/eko-hard-main_d00009e0-ada9-4da1-aaa2-4d2d6485613d.jpg?v=1755327520</image:loc>
      <image:title>EKO DUO 500 hybrid boiler, 1700K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pellet-500-boiler-1700k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Pellet-hard-main_c2b3bfc1-0fee-4ad7-bb80-e4ea5ed7bace.jpg?v=1755327519</image:loc>
      <image:title>PELLET DUO 500 boiler, 1700K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/wi-fi-module</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/520.2_w.png?v=1755327518</image:loc>
      <image:title>UNI Boiler Wi-Fi Module</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/uni-1000-boiler-3400k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Mbtek-Uni-Hard-Wood-boilers-main_ab116081-d500-45c6-9bca-07c89dbd6cbb.jpg?v=1755327516</image:loc>
      <image:title>UNI 1000 wood boiler, 3400K BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-bio-duo-50-80-100</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/woodchip_368a3f62-02ea-4855-82a8-92bf2ec843d0.png?v=1755327512</image:loc>
      <image:title>Parts BIO DUO 50-80-100</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-max-48k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/3389.png?v=1755327508</image:loc>
      <image:title>APOLLO Heat Pump MAX Heat - 48k btu / 4 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-stainless-steel-structure</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Frame-1.png?v=1755327507</image:loc>
      <image:title>APOLLO Stainless Steel Stand</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/flow-balancing-valve</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Flow-balancing-valve-2.png?v=1755327500</image:loc>
      <image:title>Flow Balancing Valve</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-pex-commercial-2-manifold</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard2.png?v=1755327510</image:loc>
      <image:title>APOLLO PEX Commercial 2&quot; Manifold</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-central-air-handling-ahu-25t</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/AHU_6T_1.png?v=1755327544</image:loc>
      <image:title>APOLLO Commercial AHU 25 Ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-3</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/GEM3INCH.png?v=1755327495</image:loc>
      <image:title>Pump High Efficiency 3&quot; - 80-120F</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-pex-industrial-manifold</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard2.png?v=1755327510</image:loc>
      <image:title>APOLLO PEX Industrial 3&quot; Manifold</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-max-60k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/3410.png?v=1755327491</image:loc>
      <image:title>APOLLO Heat Pump MAX Heat - 60k btu / 5 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heatpump-max-36k-btu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/3389.png?v=1755327508</image:loc>
      <image:title>APOLLO Heat Pump MAX Heat - 36k btu / 3 ton - Air to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-fcu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/COMMERCIAL_FCU_1.png?v=1755327488</image:loc>
      <image:title>APOLLO Commercial Fan Coil FCU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wall-dehumidifier</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Pic4_53d3b2dc-5846-41ec-9b98-c538300c9b64.png?v=1755327482</image:loc>
      <image:title>APOLLO Commercial Wall Dehumidifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-pump-relay-box</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Assembly4.png?v=1755327481</image:loc>
      <image:title>APOLLO 8 Zone Pump Control</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-concealed-fcu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_Concealed_1.png?v=1755327474</image:loc>
      <image:title>APOLLO Concealed Fan Coil FCU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heat-pump-48k-btu-4-ton-water-to-water</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Geothermal_R-32_Grey-White.png?v=1761924191</image:loc>
      <image:title>APOLLO Geothermal Heat Pump - 48k btu / 4 ton - Water to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-heat-pump-72k-btu-6-ton-water-to-water</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Geothermal_R-32_Grey-White.png?v=1761924191</image:loc>
      <image:title>APOLLO Geothermal Heat Pump - 72k btu / 6 ton - Water to Water</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wi-fi-snow-melt-controller</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/FCU_2_04602ca5-2417-401c-ae08-2747451cbce2.jpg?v=1755327471</image:loc>
      <image:title>APOLLO Wi-Fi Snow Melt Controller</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/paddle-flow-switch</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/photo-of-model-um3k--_-88400.jpg?v=1755327469</image:loc>
      <image:title>Flow Switch Stainless Paddle</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/conveyor-storage-system</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/ConveyorStorageSystem1.jpg?v=1755327468</image:loc>
      <image:title>Boiler Conveyor Storage System</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/thermostats-addon</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Thermostat_cf7d04f4-c1ea-4bd7-ab33-0065a9930e17.jpg?v=1755327466</image:loc>
      <image:title>Thermostats Accessories</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/expansion-tank-24l</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/ExpansionTankStainlessSteel_f5848c1f-763e-49b4-b84d-56a293cb7283.jpg?v=1762091792</image:loc>
      <image:title>APOLLO Stainless Expansion Tank</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/replacement-bladder-for-24l-expansion-tank</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/BladderofStainlessSteel.jpg?v=1762091889</image:loc>
      <image:title>APOLLO EX65 - Replacement Expansion Bladder - 6.5gal</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/manifold-station-all-in-one</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/2_832220f3-cc7b-4b5d-9683-7e3dbf9f09c7.png?v=1765779254</image:loc>
      <image:title>APOLLO Manifold Station</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-single-room-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1_190612dc-60fb-4d4b-9c2c-e790d97ab22c.jpg?v=1755327461</image:loc>
      <image:title>APOLLO Single Room Energy Recovery Ventilator ERV</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-central-room-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/2.png?v=1755327460</image:loc>
      <image:title>APOLLO Central Energy Recovery Ventilator ERV</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_ERV_2.png?v=1755327459</image:loc>
      <image:title>APOLLO Commercial Energy Recovery Ventilator ERV 150</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/iot-relay</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Screenshot2024-09-10020939.png?v=1755327454</image:loc>
      <image:title>Pump Relay 120V</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/motorized-control-valves</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Motorized_Valve_2_c159d22c-9e17-40f7-b474-63768bbcf45d.png?v=1762873942</image:loc>
      <image:title>Motorized Control Valves</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/extended-warranty</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard_1_6ba04998-5534-43b2-b71d-bfd629b12578.png?v=1755327452</image:loc>
      <image:title>Extended Warranty</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-central-dehumidifier</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard1-1.png?v=1755327450</image:loc>
      <image:title>APOLLO Whole Home Dehumidifier</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-erv-wifi-air-sensor</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard4.png?v=1755327449</image:loc>
      <image:title>APOLLO Energy Recovery Ventilator ERV WiFi IAQ Sensor</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-duct-manifold</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/product-4.png?v=1755327448</image:loc>
      <image:title>Apollo Duct Manifold</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-air-handling-unit</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/2-AHU3.5ton.png?v=1755327447</image:loc>
      <image:title>Parts - Air Handling Unit 3.5 Ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-ahu</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/3_-_Commercial_Fan_Coil_Unit.png?v=1755327446</image:loc>
      <image:title>Parts - Commercial Fan Coil Unit</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/coming-soon-parts-air-handling-unit-6-ton</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1-AHU6ton.png?v=1755327445</image:loc>
      <image:title>Parts - Air Handling Unit 6 Ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/coming-soon-parts-concealed-fan-coil-unit</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/5_-_Concealed_Fan_Coil_Unit.png?v=1755327444</image:loc>
      <image:title>Parts - Concealed Fan Coil Unit</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/coming-soon-parts-ceiling-fan-coil-unit</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/6_-_Ceiling_Fan_Coil_Unit.png?v=1755327443</image:loc>
      <image:title>Parts - Ceiling Fan Coil Unit</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/coming-soon-parts-floor-fan-coil-unit</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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    <image:image>
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    <loc>https://www.mbtek.com/products/apollo-a1-corrosion-inhibitor</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/A1_front.jpg?v=1755327434</image:loc>
      <image:title>APOLLO A1 Corrosion Inhibitor</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-4-vfd-tango-pump</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/TangoPump4Inch.png?v=1755327430</image:loc>
      <image:title>Pump High Efficiency 4&quot; - 120F VFD Tango Pump</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-3-vfd-tango-pump</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/TangoPump3Inch.png?v=1755327429</image:loc>
      <image:title>Pump High Efficiency 3&quot; - 150F VFD Tango Pump</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-2-vfd-tango-pump</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/TangoPump2inch.png?v=1755327428</image:loc>
      <image:title>Pump High Efficiency 2&quot; - 180F VFD Tango Pump</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/advanced-heat-pump-controller-hbx-eco-0600</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Eco0600.png?v=1755327427</image:loc>
      <image:title>Advanced Heat Pump Controller - HBX ECO-0600</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/parts-central-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1_-_Central_erv.png?v=1755327426</image:loc>
      <image:title>Parts - Central ERV</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/parts-single-room-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/2_-_Single_Room_ERV.png?v=1755327425</image:loc>
      <image:title>Parts - Single Room ERV</image:title>
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  <url>
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    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_ERV.png?v=1764940996</image:loc>
      <image:title>Parts - Commercial ERV</image:title>
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  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-2-1-2-150f</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/GEM2-1-2-INCH.png?v=1755327421</image:loc>
      <image:title>Pump High Efficiency 2-1/2&quot; 65-150F</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-2-1-2-150f-vfd-tango-pump-1</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/TangoPump2inch.png?v=1755327428</image:loc>
      <image:title>Pump High Efficiency 2-1/2&quot; - 150F VFD Tango Pump</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://www.mbtek.com/products/lake-heat-exchanger</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Image_20250807005520.png?v=1755327419</image:loc>
      <image:title>Lake Heat Exchanger</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-pex-commercial-6-manifold</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/3-Loop_Manifold_Front_View_1.png?v=1755327417</image:loc>
      <image:title>APOLLO Commercial Custom Manifold</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-stainless-expansion-tank</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1000050479.jpg?v=1755327416</image:loc>
      <image:title>APOLLO Commercial Stainless Expansion Tank</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://www.mbtek.com/products/schematic-drawing-heat-loss-calculation</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard_5_edeb51f9-94eb-470c-a8d1-0a60c31e2b25.png?v=1756848773</image:loc>
      <image:title>Schematic Drawing + Heat Loss Calculation</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/side-stream-filter-package-3-4</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/SFP-10-big.png?v=1755327414</image:loc>
      <image:title>Side Stream Filter Package - 3/4&quot;</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/2-station-corrosion-coupon-rack-3-4</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/CorosionCouponRack.jpg?v=1755327412</image:loc>
      <image:title>2 Station Corrosion Coupon Rack (3/4&quot;)</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/check-valve-1</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1-1-4-inch-swing-check-valve__27996_1.jpg?v=1755327412</image:loc>
      <image:title>Check Valve Stainless Steel</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/stainless-steel-union</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/81IQRlSQzzL._UF894_1000_QL80.jpg?v=1755327410</image:loc>
      <image:title>Stainless Steel Union</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-automatic-air-vent</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/unnamed.jpg?v=1755327409</image:loc>
      <image:title>APOLLO Commercial Automatic Air Vent</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/packaged-hydronic-system-feeder-sf100</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/SF100-big.png?v=1755327408</image:loc>
      <image:title>Packaged Hydronic System Feeder SF100</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pressure-relief-valve-3-4-50psi</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/61H4t9odBuL_1.jpg?v=1755327407</image:loc>
      <image:title>Pressure Relief Valve 3/4&quot; 50psi</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/flow-balancing-actuator</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/AXM217S.jpg?v=1755327406</image:loc>
      <image:title>Flow Balancing Actuator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/thermal-actuator-axt</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Actuator_with_Logo_APOLLO.png?v=1768532579</image:loc>
      <image:title>Flow Balancing Valve Actuator</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pump-high-efficiency-6-vertical-in-line-dual-arm</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/4332_bg_Shadow_02_transparent.png?v=1762471805</image:loc>
      <image:title>Design Envelope Split-Coupled Vertical In-Line Tango Pump</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/architectural-service-calculated</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wall-fan-coil-fcu-1-5-ton</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/perspective_2.png?v=1755327590</image:loc>
      <image:title>APOLLO Wall Fan Coil FCU / 1.5 Ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-wall-fan-coil-fcu-3-ton</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/perspective_2.png?v=1755327590</image:loc>
      <image:title>APOLLO Wall Fan Coil FCU / 3 Ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-geothermal-heat-pump-max-48k-btu-4-ton-water-to-water-heat-pump</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Geothermal1side.png?v=1755327473</image:loc>
      <image:title>APOLLO Geothermal Heat Pump MAX - 48k btu / 4 ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-geothermal-heat-pump-max-72k-btu-6-ton-water-to-water</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Geothermal1side.png?v=1755327473</image:loc>
      <image:title>APOLLO Geothermal Heat Pump MAX - 72k btu / 6 ton</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-fresh-air-heat-pump</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/SmartFreshAirHeatPump_5.png?v=1760995842</image:loc>
      <image:title>APOLLO Energy Recovery Ventilator ERV Heat Pump</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/thermostat-upgrade</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-energy-recovery-ventilator-250-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_ERV_2.png?v=1755327459</image:loc>
      <image:title>APOLLO Commercial Energy Recovery Ventilator ERV 250</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-energy-recovery-ventilator-500-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_ERV_2.png?v=1755327459</image:loc>
      <image:title>APOLLO Commercial Energy Recovery Ventilator ERV 500</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-energy-recovery-ventilator-350-erv</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_ERV_2.png?v=1755327459</image:loc>
      <image:title>APOLLO Commercial Energy Recovery Ventilator ERV 350</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/parts-erv-heat-pump</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/1-Centralerv.png?v=1762543225</image:loc>
      <image:title>Parts ERV Heat Pump</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-custom-tank</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Commercial_Tank.png?v=1763692841</image:loc>
      <image:title>APOLLO Commercial Custom Tank</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-100-propylene-glycol-heat-transfer-fluid</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/5_Gallon_Glicol_Drum.png?v=1763003012</image:loc>
      <image:title>APOLLO 100% Propylene Glycol – Heat Transfer Fluid</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-phosphate-contest-kit</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/BOX_PHOSPHATE_CONTEST_TEST_KIT_ea45cca2-d96d-41cd-9330-88c407e648e1.png?v=1763008573</image:loc>
      <image:title>APOLLO A1 Corrosion Inhibitor Test Kit</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/ball-valve-ss304-male-to-male-bspt-with-butterfly-handle-1-1-4</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/3-way-valve-with-butterfly-handle-female-thread-bspt-ss304-3-8</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/pellet-combi-15</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/Artboard1_1.png?v=1768002663</image:loc>
      <image:title>PELLET COMBI 15, Compact Pellet Boiler, 51k BTU</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-hydro-one-station</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/6_360a5b58-1706-4c9e-b504-fd7cf5dee8f8.png?v=1770141407</image:loc>
      <image:title>APOLLO Hydro One Station</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-bathroom-timer-switch</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/2939/8336/files/BathroomTimerforERVPNG.png?v=1769016781</image:loc>
      <image:title>APOLLO ERV Washroom Timer Switch</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-hydro-geo</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
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      <image:title>APOLLO DHW200 MAX - Stainless Combined Indirect Water Heater Tank</image:title>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>Apollo Variable Frequency Drive (VFD) 220V</image:title>
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      <image:title>APOLLO Commercial Central Heat Pump - 42k btu / 3.5 ton - Air to Water</image:title>
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  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-heat-pump-60k-btu-5-ton-208v-3-phase</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>APOLLO Commercial Central Heat Pump – 60k BTU / 5 Ton</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://www.mbtek.com/products/apollo-commercial-heat-pump-72k-btu-6-ton-208v-3-phase</loc>
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    <changefreq>daily</changefreq>
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      <image:title>APOLLO Commercial Central Heat Pump – 72k BTU / 6 Ton</image:title>
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    <loc>https://www.mbtek.com/products/apollo-dhw-160-max-stainless-combined-indirect-water-heater-tank</loc>
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    <changefreq>daily</changefreq>
    <image:image>
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      <image:title>APOLLO DHW160 MAX - Stainless Combined Indirect Water Heater Tank</image:title>
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      <image:title>APOLLO DHW160 MAX Wood Boiler Stainless Combined Indirect Water Heater Tank</image:title>
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    <loc>https://www.mbtek.com/products/apollo-commercial-energy-recovery-ventilator</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
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    <loc>https://www.mbtek.com/products/apollo-air-eliminator</loc>
    <lastmod>2026-04-21T01:24:00-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
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