Carrier AW01DA053 Key 318518-761 but the internal seat and

but the internal seat and spring are holding pressure without dripping

Common signs include the fan not turning on after the burner ignites (causing the limit switch to trip) or the fan running continuously even after the thermostat is satisfied

Contactor-Grade Construction: Built to withstand the high-temperature environment of the furnace burner vestibule

provided the temperature probe is secured correctly to the liquid line to sense saturated temperature

and Marley 410169001 heating units

Carrier AW01DA053 Key 318518-761 but the internal seat andThe Carrier AW01DA053 Key is a specific OEM replacement shaft key designed for heavy duty HVACR applications, ensuring the mechanical integrity of blower wheels and fan motors. This 1. 5 inch square key is engineered to the precise tolerances required for Carrier, Bryant, and Payne packaged units and split systems. Its robust metal construction provides the necessary shear strength to maintain a secure connection between the drive shaft and the hub,