York S1-031-01975-000 Control Board Freon or 45 seconds

or 45 seconds

Can this be mounted in any orientation

As a veteran-grade refrigerant limit switch

Thermal Stability: Rated for high-temperature environments typical of condensing heat exchangers

York S1-031-01975-000 Control Board Freon or 45 secondsThe York S1 031 01975 000 Defrost Control Board is a critical OEM replacement part engineered for high performance management of the defrost cycle in York, Coleman, and Luxaire heat pumps. As a veteran grade HVAC control board, it utilizes an intelligent demand defrost algorithm that monitors outdoor coil temperature and ambient conditions to mitigate frost accumulation accurately. By initiating defrost timing based on accumulated compressor run time,