White-Rodgers 47D40-801 Heat Pump Defrost Demand Control Board, Replacement for Rheem WRSX Fieldpiece SOX3 Combustion Checker with

Fieldpiece SOX3 Combustion Checker with Auto Pump

13mm JOINT THICKNESS: 0

Stainless steel retainer adds strength  and durability

built-in magnetic mount and a large easy-to-read display

(1) M18™ & M12™ Rapid Charger(48-59-1808)

White-Rodgers 47D40-801 Heat Pump Defrost Demand Control Board, Replacement for Rheem WRSX Fieldpiece SOX3 Combustion Checker withWhite Rodgers 47D40 801 Heat Pump Defrost Demand Control Board, Replacement for Rheem The 47D40 801 control is a microprocessor based demand defrost controller intended for Rheem heat pump systems. This controller uses basic differential temperature means to detect degradation of system performance due to ice build up on the outdoor coil. The controller uses self calibrating principles to calibrate to the heat pump system. The defrosting is performed