Standardized Installation: Features an 8-hole mounting pattern for secure attachment to the upper grill chassis

combination starters

maintaining precise calibration for the life of the heating season

Broad Operating Range: Rated for pressures up to 700 PSI and temperatures reaching 250°F

the switch is calibrated to open the circuit at 200°F if overheating occurs and features an auto-reset function that closes once the temperature drops back to 101°F

York S1-025-29041-003 Limit Switch Standardized Installation: Features an 8-holeThe York S1 025 29041 003 Limit Switch is a critical OEM safety component engineered for precise thermal regulation within residential gas furnaces and HVAC systems. Designed with an auto reset function, this high limit control provides essential overheat protection by monitoring the internal plenum temperature. This specific L165 30 furnace limit switch is calibrated to open at 165F (shuting down the burner) and close at 135F (resuming operation once