Always verify your motor’s lead-end or shaft-end rotation before installation

Whether you are performing a seasonal tune-up or a corrective furnace burner repair

This single pole single throw (SPST) switch is calibrated to a 300 degree F fixed temperature set point to detect flame rollout or excessive heat buildup near the burner assembly

this specific OEM limit switch is rated for multiple configurations including heat pumps and furnace units as long as the 200°F thermal requirement matches the data plate

reducing nuisance service calls caused by pilot failure

Carrier HF91BB125 Ball Joint Always verify your motor’s lead-endThe Carrier HF91BB125 is a high precision swivel ball joint engineered for critical damper linkage connections within residential and commercial HVACR systems. As a veteran technician knows, the integrity of your linkage assembly determines the accuracy of your airflow control. This OEM Carrier part features a 1 4" x 5 16" configuration, providing the necessary articulation for actuator rod adjustments. Built with a robust alloy, it is designed to