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the main valve will not modulate correctly or may fail to open
Designed to handle non-corrosive refrigerants
Does this part replace the entire inducer motor assembly
Pressure switches are safety-critical components
the free-handle will not engage or open the valve until the 24V solenoid is fully energized
York S1-025-41320-000 Limit Switch 318973-401 the main valve will notThe York S1 025 41320 000 Limit Switch is a critical safety component designed for precise thermal regulation in York, Luxaire, and Coleman furnace models. This L140 40F limit switch functions as a high limit protection device, set to open at 140F and automatically reset at 100F. Engineered for high cycle reliability, this OEM replacement part monitors the heat exchanger plenum temperature to prevent overheating, which can lead to cracked heat