York S1-025-22273-001 Limit Switch 321702-401 from receiver tanks and filter

from receiver tanks and filter housings

Using this factory-authorized motor ensures that the system maintains its AHRI-rated performance and decibel levels without the mounting or wiring modifications required by universal alternatives

precisely modulating refrigerant flow into the evaporator coil to maintain a consistent 10-15°F superheat

the silicon carbide element is likely cracked

York S1-025-22273-001 Limit Switch 321702-401 from receiver tanks and filterThe York S1 025 22273 001 Limit Switch is a critical OEM safety component designed for precise thermal management within HVAC furnace systems. This SPST (Single Pole Single Throw) fixed temperature control operates on an auto reset logic, ensuring the burner circuit opens when temperatures reach the 150F trip point and automatically closes once the system cools to 110F. Engineered for York, Coleman, and Luxaire gas furnaces, this high limit switch