Caps are typically sold separately

If the burner ignites but shuts off within 3 to 5 seconds

loud "thumping" sounds during motor startup

providing reliable industrial temperature control without the need for external power or complex actuators

Carrier 320788-703 Blower Hosuing 318172-701 Caps are typically sold separatelyThe Carrier 320788 703 Blower Housing is a critical OEM replacement part designed for high performance residential and commercial HVAC systems. This Carrier blower assembly component serves as the direct successor to legacy part numbers 319818 724 and 324901 701, providing a precise fit for technicians maintaining Carrier made air handlers and furnaces. Engineered with a robust heavy gauge steel or high density composite construction, this housing is