With nominal dimensions of 6 inches x 7 inches x 1 inch and a precision-engineered profile

preventing the operation of the burner under unsafe draft conditions

and White-Rodgers 24V control transformers

allowing for a compliant and reliable installation

York S1-025-43293-000 Temp Control With nominal dimensions of 6The York S1 025 43293 000 is an OEM grade SPST temperature control switch engineered specifically for high demand HVACR environments. Built for precision in residential and light commercial equipment, this single pole single throw (SPST) thermal switch operates with a specified 80F open and 31F close threshold. This specific temperature range makes it an essential component for system protection and cycling within York heat pumps and air conditioning