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Industrial-Grade Build: Constructed to withstand the thermal stresses found in burner compartments without performance degradation
preventing long-term damage or safety risks
Always check the harness plug and bracket shape to confirm furnace part compatibility
Universal Porting: Features standard 3/8" NPT female inlet and outlet ports for seamless integration into existing pipe runs
Use the LF (Lead-Free) series for potable requirements
York S1-6806-3351 Limit Switch 340155-7026 Industrial-Grade Build: Constructed to withstandThe York S1 6806 3351 Limit Switch is a critical safety component designed for high performance thermal regulation in York HVAC systems. Engineered for precision, this bimetal limit control features a factory calibrated setpoint to protect the heat exchanger from overheating conditions. With a switch opening temperature of 150F and a closing temperature of 115F (Cl115 Op150), it ensures the burner circuit is interrupted if internal temperatures exceed