Carrier 338106-755-CBP Blower Housing Kit R-134A Always check for mechanical binding

Always check for mechanical binding in the valve body during replacement

Key Benefits for the Contractor Precision Compatibility: Seamlessly bridges MK-4801

The 391937 and 391937/U are the same Honeywell/Resideo conversion kit

Can the check valve be serviced or replaced

Carrier 338106-755-CBP Blower Housing Kit R-134A Always check for mechanical bindingThe Carrier 338106 755 CBP Blower Housing Kit is an essential OEM replacement part engineered for exact drop in fitment in Carrier, Bryant, and Payne high efficiency furnaces and air handlers. For technicians managing airflow diagnostics, this blower assembly housing addresses common mechanical issues like housing vibration, air leakage, or structural deterioration that compromises system CFM. Designed to house HVAC blower motors and wheels, this kit