Description
this defrost control board is designed for use in both R-22 and R-410A Lennox and Armstrong heat pumps
ensuring that the blower facilitates optimal heat exchange and prevents short-cycling or overheating conditions
Also identified as Lennox 68J9701
the York S1-373-18170-202 Drain Pan is the exact OEM drain pan replacement required to maintain system integrity
Carrier LA01RA312 Fan Blade 321042-401 this defrost control board isFor mid summer condenser repairs, the Carrier LA01RA312 Fan Blade is the specified OEM replacement fan blade for maintaining critical head pressures in 24 inch chassis units. This HVAC condenser fan blade features a precision engineered 19 degree pitch and a 3 blade configuration designed to optimize CFM output while minimizing motor amp draw. As a 24 inch diameter fan blade with a standard 1 2 inch bore, it provides a direct drop in fit for numerous