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APOLLO Stainless Buffer Tank - 175/250gal

Volume: 175 Gal (662L) / 250 Gal (946L)

APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
APOLLO Stainless Buffer Tank - 175/250gal
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  • Optimal System StabilityEnsures smooth heat pump function during low or no-load conditions, preventing sudden temperature spikes.
  • Aids Winter DefrostingFacilitates the crucial defrost cycle during winter months, significantly enhancing overall system performance.
  • Robust SS316 ConstructionFeatures a premium 1/16" thick stainless steel inner tank for maximum durability and lasting corrosion resistance.
  • High-Efficiency InsulationUtilizes thick polyurethane foam to minimize heat loss, prevent condensation, and reduce long-term energy costs.
  • Flexible & Safe ConfigurationsAvailable with or without internal coils and includes a CSA/UL rated relief valve for diverse, safe applications.

APOLLO BF175/250

Main Features

  1. Heat Pump Essential

    Ensures smooth operation and aids defrost cycles in hydronic heat pump systems.

  2. Durable Construction

    Features SS316 inner tank and painted galvanized steel outer jacket for longevity.

  3. Efficient Insulation

    Polyurethane foam (2" / 1.5") minimizes heat loss and prevents condensation.

  4. Flexible Configurations

    Available without coils or with two internal coils to suit diverse needs.

  5. Ready for Use

    Includes sensor well, drain valve, and pre-installed plugs for easy setup.

  6. High Pressure Rating

    Built to withstand up to 200 psi for reliable residential and commercial use.

APOLLO BF175/250 product diagram
APOLLO BF175/250 secondary image

Hydronic System Essential

Ensures smooth heat pump operation, preventing temperature spikes and aiding winter defrost cycles.

Robust Construction

Features a durable SS316 inner tank and painted galvanized steel outer jacket for longevity.

Superior Thermal Efficiency

Polyurethane foam insulation (2" or 1.5") significantly reduces heat loss and prevents condensation.

Adaptable Configurations

Available in 175/250-gallon sizes, with or without 2 internal coils, and includes pre-installed plugs for easy setup.

Technical specifications

Full dimensional and material specifications for the APOLLO BF175 and BF250 buffer tanks.

Volume BF175: 175 gal / BF250: 250 gal
Inner Tank Material SS316, Thickness: 1/16"
Outer Jacket Material Painted Galvanized Steel, Thickness: 1/32"
Insulation Thickness BF175: 2" / BF250: 1-1/2"
Connections NPT female
Preinstalled Plugs In all additional connections (except the 2 main ports)
Equipped With Drain valve and 3/4" Relief Valve CSA/UL 125psi, 210°F
Available Configurations Without coil (0C) or with 2 internal coils (2C)

Product documents

Technical documentation for the APOLLO BF175/250.

Product details

APOLLO Stainless Buffer Tank – 175 / 250 Gal (Hydronic Heat Pump Buffer)

High-capacity stainless buffer tanks designed to stabilize hydronic heat pump systems, ensuring smooth operation during low-load conditions and improving efficiency during defrost cycles. Built for durability, flexibility, and long-term performance in residential and commercial applications.

 

Key Benefits

  • Optimized for heat pump systems to prevent temperature spikes and ensure proper shutdown
  • Supports defrost cycles in winter for improved system efficiency
  • Built with SS316 stainless steel for corrosion resistance and long service life
  • Insulated to reduce heat loss and condensation
  • Available with or without internal coils for system flexibility

 

Specifications

BF175 – 175 Gallon

  • Volume: 175 gal
  • Material: SS316 (1/16") inner tank / painted galvanized steel (1/32") outer jacket
  • Insulation: 2" polyurethane foam
  • Connections: NPT female
  • Relief Valve: 3/4" CSA/UL rated – 125 psi / 210°F
  • Dimensions: 79" height × 30" diameter

 

BF250 – 250 Gallon

  • Volume: 250 gal
  • Material: SS316 (1/16") inner tank / painted galvanized steel (1/32") outer jacket
  • Insulation: 1.5" polyurethane foam
  • Connections: NPT female
  • Relief Valve: 3/4" CSA/UL rated – 125 psi / 210°F
  • Dimensions: 85" height × 34" diameter

 

Additional Features

  • Includes sensor well, drain valve, and pre-installed plugs for easy installation
  • Max Working Pressure: 200 psi
  • Warranty: 10 years

Installed in real homes and workshops

Customer Success Stories

See how customers use MBTEK products in real projects.

Since installing the buffer tank, I’ve cut glycol costs, reduced electricity usage, and improved overall system efficiency. It keeps my home at a stable temperature overnight and even gives me peace of mind during power outages. It’s like having a thermal battery that optimizes everything.

The Perfect Alternative to Natural Gas

High efficiency for heating, cooling, and hot water with low electric bills

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