GrandAire WFAX040A036B 40,000 BTU 92.1% AFUE Gas Furnace, Multi-Position, 1-Phase/60Hz
The GrandAire WFAX040A036B is a 40,000 BTU gas furnace rated at 92.1% AFUE, providing the heating stage of a residential split system and pairing with a matched coil and condenser or heat pump. It installs in a multi-position orientation.
Key specifications include a heating output of 36,840 BTU, a 1/2" gas connection, 1-Phase 60Hz power.
Confirm heating load, gas supply, venting, and airflow orientation against local code before ordering. Match to an AHRI-certified coil and condenser for system performance.
Specifications
| Heating Input (BTU) | 40000 |
| Heating Output (BTU) | 36840 |
| AFUE (%) | 92.1 |
| Furnace Type | Gas |
| Airflow Direction | Multi-Position |
| Phase | Single |
| Gas Connection | 1/2" |
| ENERGY STAR | Yes |
| Cabinet Color | Beige |
Why GrandAire
GrandAire, distributed through Watsco, covers registered equipment with a 10-year limited parts warranty and a 10-year limited compressor warranty, plus a 1-year unit replacement warranty on qualifying models (registration required within 90 days).
Product Information
Product Information
Shipping & Returns
Shipping & Returns
GrandAire WFAX040A036B 40,000 BTU 92.1% AFUE Gas Furnace, Multi-Position, 1-Phase/60Hz
GrandAire WFAX040A036B 40,000 BTU 92.1% AFUE Gas Furnace, Multi-Position, 1-Phase/60Hz
The GrandAire WFAX040A036B is a 40,000 BTU gas furnace rated at 92.1% AFUE, providing the heating stage of a residential split system and pairing with a matched coil and condenser or heat pump. It installs in a multi-position orientation.
Key specifications include a heating output of 36,840 BTU, a 1/2" gas connection, 1-Phase 60Hz power.
Confirm heating load, gas supply, venting, and airflow orientation against local code before ordering. Match to an AHRI-certified coil and condenser for system performance.
Specifications
| Heating Input (BTU) | 40000 |
| Heating Output (BTU) | 36840 |
| AFUE (%) | 92.1 |
| Furnace Type | Gas |
| Airflow Direction | Multi-Position |
| Phase | Single |
| Gas Connection | 1/2" |
| ENERGY STAR | Yes |
| Cabinet Color | Beige |
Why GrandAire
GrandAire, distributed through Watsco, covers registered equipment with a 10-year limited parts warranty and a 10-year limited compressor warranty, plus a 1-year unit replacement warranty on qualifying models (registration required within 90 days).
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The GrandAire WFAX040A036B is a 40,000 BTU gas furnace rated at 92.1% AFUE, providing the heating stage of a residential split system and pairing with a matched coil and condenser or heat pump. It installs in a multi-position orientation.
Key specifications include a heating output of 36,840 BTU, a 1/2" gas connection, 1-Phase 60Hz power.
Confirm heating load, gas supply, venting, and airflow orientation against local code before ordering. Match to an AHRI-certified coil and condenser for system performance.
Specifications
| Heating Input (BTU) | 40000 |
| Heating Output (BTU) | 36840 |
| AFUE (%) | 92.1 |
| Furnace Type | Gas |
| Airflow Direction | Multi-Position |
| Phase | Single |
| Gas Connection | 1/2" |
| ENERGY STAR | Yes |
| Cabinet Color | Beige |
Why GrandAire
GrandAire, distributed through Watsco, covers registered equipment with a 10-year limited parts warranty and a 10-year limited compressor warranty, plus a 1-year unit replacement warranty on qualifying models (registration required within 90 days).
