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 |