Nordyne 917178A Control Board Els PW 17895 It delivers a precise 7-11"wc

It delivers a precise 7-11"wc outlet pressure range

making it the industry standard for powering gas valves

this pan is designed to fit specific York and Johnson Controls evaporator coils

lighting systems

Nordyne 917178A Control Board Els PW 17895 It delivers a precise 7-11"wcThe Nordyne 917178A Defrost Control Board is the official OEM replacement module designed to restore the automated defrost logic in residential split system heat pumps. This unit is a direct fit successor to the obsolete Nordyne 621579 and various older 1084 series boards, ensuring a seamless interface with existing 24V control circuits and sensor leads. As a veteran grade heat pump defrost control, it utilizes precise temperature monitoring at the