Description
providing a proportional gas flow response that is far superior to standard on/off cycles
it is purpose-built for continuous duty in evaporation and condenser fan systems
this 3-blade aluminum assembly ensures optimal static pressure performance and vibration-free operation in demanding outdoor environments
Optimized System Efficiency: Enhances heat exchange performance
This specific model is designed as a fixed-temperature limit switch
Lennox 70W42 Blower Housing 319825-402 providing a proportional gas flowThe Lennox 70W42 Blower Housing is a critical OEM replacement part engineered for precise airflow management in high efficiency furnace and air handler assemblies. Built to fit a flat sided 11 inch by 11 inch configuration, this housing ensures the proper static pressure required for optimal heat exchange and cooling performance. As a veteran technician knows, maintaining the integrity of the centrifugal fan enclosure is vital to preventing surging
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























