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Never decrease the voltage rating
commonly found in 30 to 75-gallon atmospheric and direct vent units
Always consult the product manual and adhere to manufacturer guidelines
Key Benefits for Technicians: OEM Compatibility: Precision-engineered for 80K BTU Nordyne furnaces
preventing the short-cycling and blower run-on issues common with aged or fouled sensors
York S1-2985-3181 Limit Switch Never decrease the voltage ratingThe York S1 2985 3181 Limit Switch is a critical OEM safety component designed for high limit protection in residential and light commercial furnace applications. This 160 190F Auto Limit Switch features a primary safety circuit that opens when the internal plenum temperature reaches its 190F trip point, effectively de energizing the gas valve or heating elements to prevent heat exchanger damage or hazardous overheating. As an automatic reset limit