the bimetal sensor in the switch has likely failed or drifted out of calibration

mounting hole patterns vary by manufacturer

Common Questions What are the signs that my outdoor propeller needs replacement

original diaphragms can suffer from work-hardening or stress fractures due to rapid cycling

While it functions as a standalone mechanical feeder

Carrier LA21QB084 Blower Wheel 324846-701 the bimetal sensor in theThe Carrier LA21QB084 Blower Wheel is a critical component for maintaining precise airflow in residential and light commercial HVAC systems. This 8. 5 inch diameter OEM replacement blower wheel is engineered with a 1 2 inch bore to match standard direct drive blower motors. Featuring a solid steel construction and counter clockwise (CCW) rotation, this wheel is designed to handle the static pressure requirements of Carrier and Bryant air handlers and