Coal Furnaces - Keystoker


-- Model -- -- Description --
Keystoker Koker Furnace

keystoker coal boilers

Hand-Fired

The Keystoker 160,000 BTU double wall constructed Koker furnace has a 9" wide flat grate stoker and patented thermal heat exchanger. This popular furnace can be used as an add-on or used freestanding to heat a small home. It comes with an opening on the front (3 X 25) and an opening on the top (11X19) to distribute warm clean air into your home. Tested at 88 to 90% Efficiency The Koker can be chimney vented or direct vented. It is completely automatic, working off a Honeywell Room Thermostat. Optional stainless steel water coil available.

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Keystoker A-120 Furnace

keystoker coal boilers

Hand-Fired

The Keystoker A-120 Add-On Furnace is made from heavy gauge American steel and has an insulated metal jacket. It burns anthracite rice and buckwheat coal. All surfaces that are in contact with hot gases are wiped with air from convection blower to exhaust maximum amount of heat from furnace. Comes in right and left hand models. Furnace is heated with our patented flat grate stoker. Comes complete with necessary controls and thermostat. Optional water coil available.

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