York S1-025-32700-000 Limit Switch 318423-701 instantly closing both the pilot

instantly closing both the pilot and main gas ports

Always consult the Reznor technical manual for specific altitude adjustment charts

streamlining truck stock for contractors servicing Rheem

always verify the BTU rating and specific discharge capacity

If the furnace ignites but shuts off within 3 to 5 seconds

York S1-025-32700-000 Limit Switch 318423-701 instantly closing both the pilotThe York S1 025 32700 000 Limit Switch is a critical OEM safety component designed for high limit temperature monitoring in residential and commercial furnaces and air handlers. This auto reset limit switch features a precision calibrated 185 155F temperature range, engineered to interrupt the electrical circuit if the heat exchanger exceeds the safe operating threshold of 185F. Once the system cools to 155F, the switch automatically resets, allowing