Carrier 338106-755-CBP Blower Housing Kit R-134A The 391937 and 391937/U are

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

Designed for high-speed contact separation

coupling shear

Always check for mechanical binding in the valve body during replacement

Environmental Protection: The IP67-rated housing protects internal circuitry from liquid ingress and particulate contamination

Carrier 338106-755-CBP Blower Housing Kit R-134A The 391937 and 391937/U areThe 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