Using it in positive pressure setups may result in improper seating and unsafe operation

this unit is specifically machined with a 1/2" bore

Technicians should inspect the gasket during any burner assembly service

Whether you are performing a compressor replacement or retrofitting a system

Carrier 48TM400646 Blower Assembly 320735-701 Using it in positive pressureThe Carrier 48TM400646 Blower Assembly is a specialized IFM Blower Assembly engineered for high static internal fan motor applications. Designed specifically for Carrier commercial rooftop units, this heavy duty blower housing provides the exact structural tolerances required to maintain static pressure and system efficiency. As a genuine OEM HVAC replacement part, this 48TM400646 assembly ensures precise wheel to housing alignment, reducing vibration