Engineered for high reliability

Precision Thermal Protection: Factory-calibrated 195°F cut-out ensures the HVAC high limit switch trips exactly when needed to protect the heat exchanger

minimizing the risk of insulation breakdown or mid-season electrical failure

effectively preventing the heat exchanger from overheating

this HVAC draft inducer switch monitors differential pressure to prevent unsafe combustion conditions caused by blocked flues or failing motors

York S1-025-21180-000 Limit Switch Els PW 17895 Engineered for high reliabilityThe York S1 025 21180 000 Limit Switch is a critical safety component engineered for precise temperature monitoring in residential and commercial HVAC systems. This 125 165F automatic limit switch features a SPST configuration designed to open at 165F and automatically reset when the temperature drops to 125F. As an authentic HVAC OEM replacement part, it ensures seamless compatibility with York, Luxaire, and Coleman furnace models, maintaining high