As a high close-off (HCO) actuator

Which burner models are compatible with the 53757 assembly

and the WD255/WD35 series

While the physical 3/8" sweat connection may fit

while the dynamically balanced Carrier replacement blower wheel prevents premature motor bearing failure

Lennox 65W69 Control Board Kit 322027-701 As a high close-off (HCO)The Lennox 65W69 Control Board Kit is the primary ignition control replacement for high efficiency G71MPP Series gas furnaces. Replacing legacy part numbers like 605341 01 and 101905 01, this OEM kit utilizes advanced microprocessor technology to manage the critical combustion sequence, including igniter warm up, gas valve timing, and flame sensing. As a veteran technician knows, troubleshooting furnace error codes often points to the integrated