Experience superior heating efficiency with our versatile Radiant Garage Heater, designed for optimal performance in a variety of settings. With a high thermal efficiency of up to 83%, this unit provides a broad heat capacity range from 30,000 to 400,000 Btuh, making it ideal for both compact and standard-sized environments.
Key Features:
High Thermal Efficiency: Achieve up to 83% efficiency, ensuring cost-effective heating.
Two-Stage Heating: Standard on models from 250,000 to 400,000 BTU/hr, offering improved control over heating levels.
Durable Tubular Heat Exchanger: Built for long-lasting performance, maximizing heat output while minimizing wear and tear.
Curved Design: Optimizes heat transfer by exposing more surface area to the air stream for enhanced warmth distribution.
Reduced Air Resistance: Rounded surfaces reduce metallic stress and promote quieter operation by minimizing air turbulence.
Low Maintenance: Features an in-shot burner assembly and a no-maintenance, lubricated blower motor, making upkeep simple and hassle-free.
Flexible Venting Options: Suitable for both horizontal and vertical installation, providing versatility to meet various space requirements.
Reliable Warranty: Includes a 15-year limited warranty on stainless steel heat exchangers, 10-year warranty on aluminized heat exchangers, and a 1-year warranty on covered components.
Perfect for garages and non-confined living spaces, our Radiant Garage Heater delivers reliable, efficient heating backed by rigorous factory testing and comprehensive warranty coverage. Its easy installation, combined with robust construction, ensures long-term performance and comfort.
For more details, explore the product specifications and benefits at Allied Commercial.
Specification
| Performance |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Heating Capacity Input (Btuh) |
30,000 |
45,000 |
60,000 |
75,000 |
90,000 |
105,000 |
| Heating Capacity Output (Btuh – Natural) |
25,020 |
37,665 |
50,220 |
62,550 |
75,420 |
87,675 |
| Steady State Efficiency (Natural) |
83.4% |
83.7% |
83.7% |
83.4% |
83.8% |
83.5% |
| Temperature Rise (F) |
37 |
52 |
47 |
56 |
43 |
54 |
Connection Table
| Connections |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Flue Size (round) |
4 |
4 |
4 |
4 |
4 |
4 |
| Gas Piping Size (in.) |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
Fan Table:
| Fan Data |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Number of Fans |
1 |
1 |
1 |
1 |
1 |
1 |
| Fan Diameter (in.) |
10 |
10 |
14 |
14 |
16 |
16 |
| Number of Blades |
4 |
4 |
4 |
4 |
4 |
4 |
| Motor Output (hp) |
1/25 |
1/25 |
1/15 |
1/15 |
1/10 |
1/10 |
| rpm |
1550 |
1550 |
1075 |
1075 |
1075 |
1075 |
| Air Volume (cfm) |
625 |
665 |
1000 |
1050 |
1600 |
1500 |
| Air Throw at 8 ft. Mounting Height (ft.) |
27 |
29 |
34 |
41 |
46 |
43 |
Weight Data Table:
| Weight Data |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Net Weight (lbs.) |
55 |
60 |
85 |
90 |
115 |
120 |
| Shipping Weight (lbs.) |
60 |
65 |
90 |
95 |
120 |
125 |
Electrical Data
| Electrical Data |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Fan Motor Full Load Amps |
2.0 |
2.0 |
2.0 |
2.0 |
3.0 |
3.0 |
| Maximum Overcurrent Protection (MOCP) |
15 |
15 |
15 |
15 |
15 |
15 |
High Altitude Pressure Switch Kits:
| High Altitude Pressure Switch Kits |
LF25-30A |
LF25-45A |
LF25-60A |
LF25-75A |
LF25-90A |
LF25-105A |
| Factory |
Factory |
Factory |
Factory |
| 3000-5000 ft. |
Factory |
Factory |
Factory |
22K44 |
2001-4000 ft. |
22K44 |
| 5001-6000 ft. |
Factory |
Factory |
22L26 |
22K44 |
4001-6000 ft. |
22L26 |
| 6001-9000 ft. |
22L27 |
22L27 |
22L26 |
22L27 |
6001-7000 ft. |
22L27 |
| 9001-10,000 ft. |
22L27 |
22L27 |
22L28 |
22L27 |
7001-10,000 ft. |
22L27 |
Optional Accessories
| Optional Accessories – Gas Heat |
US |
Canada |
| Natural Gas to LPG/Propane Conversion Kits (0 – 5000 ft.) |
18L11 |
18L11 |
| Natural Gas to LPG/Propane Conversion Kits (5001 – 8000 ft.) |
19A10 |
19A12 |
| Natural Gas to LPG/Propane Conversion Kits (8001 – 10,000 ft.) |
19A11 |
|
High Altitude Conversion Kits
| High Altitude Conversion Kits – Natural Gas |
US |
Canada |
| 5001 – 7000 ft. |
19A17 |
19A17 |
| 7001 – 10,000 ft. |
19A18 |
|
Installation Clearance Table
| Installation Clearances |
in. |
mm |
| Top |
1 |
25 |
| Side opposite control box/access panel |
1 |
25 |
| Control Box/Access Panel Side |
24 |
610 |
| Back |
18 |
457 |
| Bottom |
1 |
1 |
| Flue |
6 |
152 |
Maximum Mounting Heights Table
| Maximum Mounting Height |
ft. |
m |
| LF25-30-45-60-75 |
10 |
3 |
| LF25-90-105 |
12 |
3.7 |
Horizontal Venting Length Table
| No. of Elbows |
Maximum Length (feet) of Straight Vent Pipe |
| 1 |
25 |
| 2 |
20 |
| 3 |
15 |
| 4 |
10 |
| 5 |
5 |
Vent Adaptor Kits:
| Vent Adaptor Kits (For Retro-Fit Installations) |
Unit Heater Description |
Catalog No. |
| LF25-45A Combustion Air Inducer Mounting Plate Kit |
Required for 4 inch to 3 inch vent pipe applications |
19U97 |
| LF25-30A, LF25-45A Vent Adaptor Kit (Upslope) |
4 inch unit flue pipe to 3 inch Category III vent pipe |
19V95 |
| LF25-30A, LF25-45A Vent Adaptor Kit (Downslope) |
4 inch unit flue pipe to 3 inch Category III vent pipe |
19V96 |
Horizontal Vent Kits and Elbow Table
| Required for Residential Horizontal Venting Applications |
Unit Heater Model No. |
Vent Diameter (in.) |
Upslope Vent Kit |
Downslope Vent Kit |
45 Elbow |
90 Elbow |
1 Minimum Vent Length (ft.) |
| LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A |
4 |
75W63 |
75W67 |
87W80 (Optional) |
75W71 (Optional) |
5 |
Straight Vent Pipe for Horizontal Venting Table:
| Straight Vent Pipe – For Horizontal Venting |
Unit Heater Model No. |
Vent Diameter (in.) |
Length (in.) |
Catalog No. |
| LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A |
4 |
6 |
75W77 |
| LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A |
4 |
12 |
75W78 |
| LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A |
4 |
36 |
75W79 |