Technicians should inspect the gasket during any burner assembly service

Dual Refrigerant Support: Versatile design allows for use in R22 systems or retrofitted R407C applications

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

A veteran technician will check for continuity across the terminals when the system is cool

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

Carrier 48TM400646 Blower Assembly 320735-701 Technicians should inspect the gasketThe 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