Keystoker Warm Air Furnace

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: 125,000 150,000 250,000 350,000 450,000

Standard equipment includes:
three controls, room thermostat timer, relay control, blower and motor, fiberglass filters, and two ASL receptacles.

Available options:
Dual fuel burning either Coal or Oil
Stainless steel water coil will pre-heat water heater within 10' of furnace.

Exclusive Features

The Heart of the Keystoker

No Moving Parts in the Fire Box.
Long life automatic heat without costly repairs.

Burns two sizes anthracite coal.
Low cost fuel is the key to heating economy.

Reliable. Heavy duty factory built gear box.

Quiet operation. Belts, shear pins, and worm conveyors have been eliminated.

Rugged construction.
Entire unit factory assembled and fully tested.

Warm Air Furnace

Specifications

Model No.	Bonnet Output B.T.U.	Length	Height	Width
A-80	125,000	66	48	27
A-150	150,000	78	48	30
A-250	250,000	88	54 ½	36 ¾
A-350	350,000	94	60	41
A-450	450,000	94	66	41
Keystoker Warm Air Furnace
DIMEN.	A-80	A-150	A-250	A-350	A-450
A	20	24	30	30	30
B	66	78.5	86.625	91.75	92
C	20 X 20	24 X 24	23 X 30	25 X 32	24 X 40
D	20 ¼ X 22 ¼	24 3/8 X 26 ¼	28 ½ X 28 ½	28 X 28	34 ¾ X 36 ½
E	48	56	65	70.5	71
F	26.5	30.5	36.625	40.5	41
G	48	48	54.5	60	66
H	15.5	32.5	39	38
STACK	8	8	10	10	10

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