The single wall 90,000 BTU and the double wall 105,000 BTU stoker stoves using the patented built in heat exchanger and flat grate stoker design gives you the highest possible efficiency in a coal stove. Sit back and enjoy the warmth of the popular keystoker stove and the savings of using clean burning anthracite coal. See advantages and learn about the great options on these popular stoves.

The keystoker top loading hopper fed hand fired has a stainless steel hopper that holds 75 pounds of anthracite pea or nut coal. It is Equipped with an automatic thermostat to regulate the air flow providing a steady heat source that will keep you warm for years to come. It comes with 2 ash pans and a standard 45 cfm blower and optional brass trim. Available in a solid steel or glass top.

	Width	Depth	Height
Unit	23″	35″ with hopper	38″
Door Opening	15 1/4″	—	10″
Glass	None	—	—
Flu Size	6″ Top or Rear Vent	Plenum Opening:	14″x8″
Weight	315 lbs.
Hopper Capacity	100 lbs. Stainless Steel
Blower	500 CFM No Filter Box
Optional SS HW Coil
BTU Output	90,000	2,200 sq. ft. capacity max

	Width	Depth	Height
Unit	23″	35″ with hopper	38″
Door Opening	15 1/4″	—	10″
Glass	None	—	—
Flu Size	6″ Top or Rear Vent	Plenum Opening:	14″x8″
Weight	315 lbs.
Hopper Capacity	80 lbs. Stainless Steel
Blower	No Filter Box
BTU Output	60,000	1,800 sq. ft. capacity max

Convert your fireplace into an efficient heater and still enjoy the coziness of an open-fire. The ruggedly constructed Keystoker Insert with Heavy-Duty alligator shaker grates and large glass bay window door has an air tight design to allow for optimum heat control. Burns pea, nut, or stove coal. Requires no electricity and comes with standard 220 CFM Blower and 2 ash pans.

The keystoker top loading hopper fed hand fired has a stainless steel hopper that holds 75 pounds of anthracite pea or nut coal. It is Equipped with an automatic thermostat to regulate the air flow providing a steady heat source that will keep you warm for years to come. It comes with 2 ash pans and a standard 45 cfm blower and optional brass trim. Available in a solid steel or glass top.

The Keystoker hand fired 70-90 requires no electricity but is still automatic. The stove is equipped with an automatic thermostat to regulate the air flow used for combustion, set by your touch, then controlled by stove temperature to provide a steady source of even heat for maximum comfort. A deep fire box allows for long burn time between tending of the stove. The deep fire box coupled with upper and lower rows of heated fire brick will:

 

1. Result in most complete burning of coal 2. Extract maximum amount of heat from coal 3. Enable an attractive small parlor stove to heat a large area

• Burns Pea or Nut Coal
• Comes standard with 265 CFM blower
• Optional brass trim fire door
• Available in top and rear exhaust
• A 220 CFM blower option available

Specifications	Hearth
BTU’s	90,000
Flue Exit	Rear
Flue Size	6″
Rear Flue Height	3.5″
Height	34″
Width	44″
Depth	18″
Weight	350 lbs
Hopper Capacity	50 lbs
Blower CFM	265 CFM
Glass door	Yes
Rear Clearance	0″
Side Clearance	12″

The Keystoker warm air furnace is built to deliver maximum heat. At the lowest initial investment and lowest operational cost, a large silent air circulating blower will assure complete circulation of warm, filtered air throughout the entire area to be heated.

 

 

The downdraft heat exchanger increases heating surface, permitting circulation of every thermal unit of heat into the warm air lender pipes for rapid distribution.

Sealed ash pit assures clean dust-free operation.

Five Sizes Available: 25,000 150,000 250,000 350,000 450,000

Standard equipment includes: three controls, room thermostat timer, relay control, blower and motor.

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.

	Width	Depth	Height
Unit	26″	24 3/4″	44″
Door Opening	15 1/4″	—	9″
Glass	None	—	7″
Flu Size	6″ Top or Rear Vent	Plenum Opening:	14″x8″
Weight	400 lbs.
Hopper Capacity	200 lbs. Stainless Steel
Blower	1000 CFM Air Filter Box
Extra Large Ashpan
BTU Output	105,000	2,500 sq. ft. capacity

All K Boilers Include:

 

• Stoker
• Jacket
• Hopper
• 5 Gallon Coil
• Auto Damper
• Altitude Gauge
• Timer
• Thermostat
• Triple Aquastat
• 4006B Aquastat
• (pressurized) Relief Valve
• 2 Ash Buckets
• B30 Secondary Combustion Blower

Closed System: Circulator is needed

NOTE: Boilers so noted are now ASME certified and priced accordingly