
FA-100
Gas: Natural or propane |
Input BTU/h: 100,000 |
Mounting heights: 12'-14' |
Output BTU/h: 80,000 |
Approx heat throw: 43 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 118 lbs | Motor type: PSC |
Fla amps: 5.2 | CFM: Approx. 1,500 |
HP: 1/8 | Axial Fan Rotation: CCW |
Fan diameter: 18" | Gas connection: 1/2” N.P.T. |
Inlet and vent connection: 4" O.D. | Dimensions: 40”L x 20”D x 21”H |

FA-125
Gas: Natural or propane |
Input BTU/h: 125,000 |
Mounting heights: 14'-16' |
Output BTU/h: 1000,000 |
Approx heat throw: 47 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 118 lbs | Motor type: PSC |
Fla amps: 5 | CFM: Approx. 1,850 |
HP: 1/6 | Axial Fan Rotation: CCW |
Fan diameter: 18" | Gas connection: 1/2” N.P.T.
|
Inlet and vent connection: 4" O.D. | Dimensions: 40”L x 20”D x 21”H
|

FA-150
Gas: Natural or propane |
Input BTU/h: 150,000 |
Mounting heights: 14'-16' |
Output BTU/h: 120,000 |
Approx heat throw: 50 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 159 lbs | Motor type: PSC |
Fla amps: 10.7 | CFM: Approx. 2,250 |
HP: 1/3 | Axial Fan Rotation: CCW |
Fan diameter: 22" | Gas connection: 1/2” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 40”L x 20”D x 27”H
|

FA-175
Gas: Natural or propane |
Input BTU/h: 175,000 |
Mounting heights: 15'-17' |
Output BTU/h: 140,000 |
Approx heat throw: 52 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 159 lbs | Motor type: PSC |
Fla amps: 10.7 | CFM: Approx. 3,000 |
HP: 1/3 | Axial Fan Rotation: CCW |
Fan diameter: 22" | Gas connection: 1/2” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 40”L x 20”D x 27”H
|

FA-200
Gas: Natural or propane |
Input BTU/h: 200,000 |
Mounting heights: 15'-17' |
Output BTU/h: 160,000 |
Approx heat throw: 55 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 159 lbs | Motor type: PSC |
Fla amps: 10.7 | CFM: Approx. 3,325 |
HP: 1/3 | Axial Fan Rotation: CCW |
Fan diameter: 22" | Gas connection: 1/2” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 40”L x 20”D x 27”H
|

FA-225
Gas: Natural or propane |
Input BTU/h: 225,000 |
Mounting heights: 16'-18' |
Output BTU/h: 180,000 |
Approx heat throw: 59 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 176 lbs | Motor type: PSC |
Fla amps: 10.7 | CFM: Approx. 3,750 |
HP: 1/3 | Axial Fan Rotation: CCW |
Fan diameter: 22" | Gas connection: 3/4” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 40”L x 20”D x 30”H
|

FA-250
Gas: Natural or propane |
Input BTU/h: 250,000 |
Mounting heights: 16'-18' |
Output BTU/h: 200,000 |
Approx heat throw: 63 ft | Avg air temp rise: 50ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 176 lbs | Motor type: PSC |
Fla amps: 10.7 | CFM: Approx. 3,750 |
HP: 1/3 | Axial Fan Rotation: CCW |
Fan diameter: 22" | Gas connection: 3/4” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 40”L x 20”D x 30”H
|

FA-300
Gas: Natural or propane |
Input BTU/h: 300,000 |
Mounting heights: 18'-20' |
Output BTU/h: 246,000 |
Approx heat throw: 67 ft | Avg air temp rise: 70ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 260 lbs | Motor type: PSC |
Fla amps: 11.9 | CFM: Approx. 3,750 |
HP: 3/4 | Axial Fan Rotation: CCW |
Fan diameter: 26" | Gas connection: 3/4” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 50”L x 20”D x 36”H
|

FA-400
Gas: Natural or propane |
Input BTU/h: 400,000 |
Mounting heights: 20'-22' |
Output BTU/h: 328,000 |
Approx heat throw: 71 ft | Avg air temp rise: 70ºF
|
Vent length min: 3 ft
| Vent length max: 40 ft |
Weight: 315 lbs | Motor type: PSC |
Fla amps: 14.3 | CFM: Approx. 3,750 |
HP: 1 | Axial Fan Rotation: CCW |
Fan diameter: 30" | Gas connection: 3/4” N.P.T.
|
Inlet and vent connection: 6" O.D. | Dimensions: 54”L x 20”D x 44”H
|
* Mounting heights are provided as a guideline. Actual conditions may dictate variations from the above data. Always maintain the published clearances to combustibles. Not for residential use.
Clearance to combustibles

FA-100-250
Front |
Top/
bottom |
60" |
1" |
Access
side | Non
access
side
|
18" | 1" |
Rear | Vent
connection |
1" | 6" |

FA-300-400
Front |
Top/
bottom |
60" |
4" |
Access
side | Non
access
side
|
18" | 4" |
Rear | Vent
connection |
1" | 6" |
Clearances published in the FA Series manual and on warning label supersede data shown on this page. Reference FA Series installation manual for complete information.