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

When troubleshooting Bard HVAC thermal safety switches

and the signal for the indicator light to the P terminal

Ensure your existing valve stem hardware is intact or order a replacement clip set if the original is corroded

provided the system pressures fall within the adaptor's rated limits

York S1-025-35362-000 Limit Pressure Protection: Features a standardThe 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.