providing reliable proof-of-air for the combustion process without the common failures often seen in universal aftermarket alternatives

and the signal for the indicator light to the P terminal

Pressure Protection: Features a standard internal safety interrupter to protect against casing expansion

When troubleshooting Bard HVAC thermal safety switches

it comes as a complete electrode assembly with the necessary bracket to ensure the correct gap and orientation relative to the pilot burner

York S1-025-35362-000 Limit providing reliable proof-of-air for theThe York S1 025 35362 000 Limit is a critical safety component designed for precise thermal management in York, Coleman, and Luxaire gas furnaces. This high limit switch is engineered to open at 200F, effectively cutting the burner circuit if the heat exchanger exceeds safe operating temperatures. Featuring a reliable auto reset function, the circuit closes again once the ambient temperature drops to 170F, allowing the system to resume normal cycling.