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ATLAS Pellet Stove Boiler

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  • Your heating bill will noticeWood pellets cost a fraction of oil or gas — and the ATLAS burns them at over 94% efficiency. That combination hits your wallet in the best possible way.
  • One stove, whole houseThe water jacket pushes heat to every room — radiators, radiant floors, fan coils, even your hot water tank. One fire does it all.
  • Fuel you can feel good aboutWood pellets are renewable, low-emission, and sold at farm stores and hardware chains across North America. A cleaner way to stay warm.
  • Built to stay cleanLift the top cover, screw in the handle, move it up and down. Two minutes, once a week. That's all the maintenance this stove asks for.
  • Real people, real answersNot a chatbot. Our hydronic HVAC team picks up the phone and helps you get the system right — before the install and after.

ATLAS Pellet Stove Boiler

Main Features

  1. Up to 94% Thermal Efficiency

    Advanced heat exchanger design captures more heat from every pellet, delivering exceptional efficiency, lower fuel consumption and reduced heating costs throughout the season.

  2. Automatic Combustion Management

    An intelligent control system continuously adjusts fuel feeding and combustion settings to maintain optimal performance, consistent comfort, and maximum energy efficiency.

  3. Spacious Ashtray Compartment

    The large capacity ash collection compartment reduces cleaning frequency and simplifies routine maintenance, allowing longer operating periods between service intervals.

  4. Easy-to-Use LCD Display

    LCD control panel provides quick access to temperatures, operating modes, schedules and system information for simple day-to-day operation.

  5. Weekly Programmable Schedule

    Customized daily and weekly heating schedules to automatically start and stop the boiler, improving comfort while reducing unnecessary energy consumption.

  6. Advanced Safety Monitoring

    Multiple sensors continuously monitor water temperature, pressure, airflow and combustion conditions to ensure safe, reliable, and worry free boiler operation.

ATLAS pellet stove boiler right view
ATLAS pellet stove boiler left view

Capacity: 65-120K BTU/h

Provides enough continuous warmth to comfortably heat medium to large homes or commercial spaces.

Hopper Capacity: Up to 99 lbs

Holds up to 99 pounds of wood pellets, giving you days of continuous, automated heating before needing a manual refill.

Max Water Temperature: 194°F

This is the highest safe heat the internal water can reach, ensuring piping-hot water flows reliably to your radiators or underfloor heating loops.

Electrical Supply: 120V 60Hz

Uses 120V 60Hz power to run its automatic starter, electronic control screen, internal pumps and exhaust fans.

Installed in real homes and workshops

Customer Success Stories

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Technical specifications

ATLAS Pellet Stove Boiler specifications. Use this table as the source of truth and confirm final sizing with MBTEK before ordering.

Product family ATLAS Pellet Stove Boiler
Heating capacity 65 KBTU / 120 KBTU
Efficiency rating Over 94%
Fuel type Wood pellets, 1/4 in to 5/16 in diameter
Maximum water temperature 194 F / 90 C
System operating pressure 30 PSI
Exhaust vent pipe flue 4 in
Fresh combustion air inlet 2 3/8 in for 65 KBTU; 3 in for 120 KBTU
Hopper capacity Up to 99 lb
Electrical supply 120V 60Hz

Exact installation requirements depend on the full hydronic design, venting, and local code.

Product documents

ATLAS Pellet Stove Boiler Manual

Installation, operation, cleaning, safety, wiring, and service guidance for the ATLAS Pellet Stove Boiler.

Product details

ATLAS Pellet Stove Boiler

The ATLAS Pellet Stove Boiler is a compact, high-efficiency wood pellet heating solution designed for hydronic central heating systems. Unlike a standard pellet stove that only heats the room where it is installed, the ATLAS uses an integrated water jacket to transfer heat into your hydronic system for whole-home or light commercial heating.

With automatic combustion control, smart start and stop timers, built-in safety protections, and a modern indoor design, the ATLAS combines the look and convenience of a pellet stove with the heating performance of a pellet boiler.

Key Benefits

  • Pellet stove boiler design combines room-friendly indoor installation with hydronic heating performance.
  • Water-jacketed heating transfers heat into your hydronic system for central heating applications.
  • High-efficiency operation helps maximize wood pellet fuel economy.
  • Automatic pellet feed and airflow modulation adjust combustion based on heating demand.
  • Built-in fuel bunker provides extended heating autonomy between refills.
  • Programmable controller supports daily, weekly, and weekend start/stop schedules.
  • Fast automatic ignition helps simplify startup and everyday operation.
  • Integrated safety protections monitor water temperature, system pressure, and flame conditions.
  • Easy maintenance access with quick-release side panels and a slide-out ash tray.
  • Modern European design makes it suitable for visible indoor mechanical or living-space installations.

Specifications

  • Heating Capacity: 65 KBTU / 120 KBTU
  • Efficiency Rating: Over 94%
  • Maximum Water Temperature: 194°F (90°C)
  • System Operating Pressure: 30 PSI
  • Exhaust Vent Pipe Flue: 4"
  • Fresh Combustion Air Inlet: 2 3/8” for 65 KBTU / 3” for 120 KBTU
  • Fuel Type: Wood pellets, 1/4" to 5/16" diameter
  • Electrical Supply: 120V 60Hz

ATLAS FAQ

ATLAS Pellet Stove Boiler Frequently Asked Questions

Answers about the ATLAS Pellet Stove Boiler for compact hydronic heating and hot water-ready system designs.

What is the ATLAS Pellet Stove Boiler?

The ATLAS Pellet Stove Boiler is a compact pellet-fired boiler that heats water for hydronic central heating. It is built for systems such as radiant floors, radiators, fan coils, and properly designed hot-water-ready layouts.

Is ATLAS a pellet stove or a pellet boiler?

ATLAS has the compact format of a pellet stove, but it is a boiler because it heats water for a hydronic system. A standard pellet stove mainly heats the room where it sits, while ATLAS can send heat through water piping to multiple zones when installed correctly.

Should I choose the 65 KBTU or 120 KBTU ATLAS model?

Choose between the 65 KBTU and 120 KBTU models based on heat loss, building size, climate, water-temperature needs, and domestic hot water demand. The specs table is the source of truth for model data, and final sizing should be confirmed before ordering.

Can ATLAS heat domestic hot water?

Yes, ATLAS can support domestic hot water when it is connected to an indirect tank or another approved hydronic design. It should be treated as part of a complete heating system, not as a standalone water heater.

How efficient is the ATLAS Pellet Stove Boiler?

The ATLAS efficiency rating is over 94%. Real performance depends on pellet quality, chimney draft, cleaning, water temperature, controls, and the overall hydronic system design.

What fuel does ATLAS use?

ATLAS uses wood pellets in the size range listed in the specs table. Dry, consistent, high-quality pellets help the boiler burn cleaner, reduce ash, and maintain steadier performance.

What should I plan before installing ATLAS?

Plan venting, combustion air, clearances, hydronic connections, operating pressure, electrical service, pumps, controls, and code requirements before installation. A qualified hydronic installer should confirm the final layout.

What maintenance does ATLAS need?

Routine maintenance includes emptying ash, cleaning the burn area and heat exchanger, checking venting, inspecting gaskets, and keeping pellets dry. Annual service should also check pumps, valves, controls, expansion tank, and water quality.

What buildings is ATLAS best for?

ATLAS is best for homes, workshops, and smaller commercial spaces where compact pellet hydronic heat makes sense. Larger or higher-demand projects should compare Phoenix or Pellet Duo models before final sizing.

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