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Wood boiler heating systems intelligently engineered by TARM USA

Pictures & Equipment

wood gasification wood gasification

Tankless Hot Water Coil. Finned copper coil provides hot water for household use (optional.)


Combustion Fan. This heavy-duty, quiet fan consumes less than 110 watts of electricity while providing the draft needed to achieve high efficiency.


Ceramic bricks. These bricks make up the heart of the system. Special air injection holes built into these ceramics provide the oxygen needed for complete combustion.

Combustion Tunnel. This is where the magic of “wood gasification” occurs. This is the view you will get when you look into the observation port on the lower door. Temperatures of over 2000 degrees are achieved, therefore utilizing all available energy in the wood.

Standard Equipment
Boiler, jacket with insulation, cast iron doors with gasketing, draft inducer fan, relief valves, and boiler controls as well as cleaning implements and owner's manual.

Optional Equipment
Termovar mixing valve
Domestic hot water coil
Enhanced ash pan
Heat Storage System

System Applications
Baseboard hot water
Radiant floor
Hot air
Add-on to oil or gas, or use as a stand alone boiler

20 Year Warranty
Solo Plus boilers are covered by a 20 year limited warranty

Installation Conditions
The Solo Plus must be installed in a room with a sufficient supply of fresh air that cannot be blocked. Local building codes must be followed.

  • The chimney draft must be 0.04 – 0.05 in. wc.
  • Connection to a heat storage tank should be considered.

Because the Solo Plus is narrow, it is normally easy to get the boiler into tight places. There are leveling screws so that the boiler can be quickly leveled once in place. Because the boiler is well insulated, it is not possible to count on much heat dissipation to the room where it is situated.