York S1-373-13300-604 Limit Switch Els PW 17895 System Efficiency: Optimizes blower run

System Efficiency: Optimizes blower run time to improve AFUE performance and prevent short-cycling of the heating element

Safety Interlock Integration: Specifically designed to properly engage the furnace door safety switch

Is this a direct replacement for older Trane heater models

Always check the flue termination for obstructions during replacement

contractors can maintain the integrity of the two-position spring return mechanism

York S1-373-13300-604 Limit Switch Els PW 17895 System Efficiency: Optimizes blower runFor service technicians managing 3 to 6 ton rooftop units, the York S1 373 13300 604 Limit Switch is a critical safety component designed for high limit protection. This HVAC auto reset limit switch is engineered to monitor primary heat exchanger temperatures, featuring a precise 105 165F temperature range. When discharge temperatures exceed the 165F threshold, the switch opens the control circuit to prevent thermal overloading, automatically