York S1-031-01955-000 Timer Board R-410A Engineered for Copeland refrigeration and

Engineered for Copeland refrigeration and AC compressors

the TST2900 ensures accurate setpoint maintenance and fast response times to thermal load changes

moisture-resistant fit and should not be modified to ensure safe electrical isolation

the P145NCB-82 includes an integrated alarm circuit and is the functional equivalent to the P45NCB-25

This OEM part ensures accurate thermostatic response and system stability

York S1-031-01955-000 Timer Board R-410A Engineered for Copeland refrigeration andFor service technicians and contractors maintaining York, Coleman, or Luxaire equipment, the York S1 031 01955 000 Timer Board is the critical OEM replacement for managing CFM output and blower timing sequences. This CFM Fan Timer Board serves as the central control logic for residential furnaces and air handlers, utilizing a 24V AC interface to synchronize fan "on" and "off" delays. By regulating the blower motor timing, this board ensures the heat