York S1-025-22273-001 Limit Switch 321702-401 the Nordyne M0090903R Motor offers

the Nordyne M0090903R Motor offers a drop-in solution that restores original equipment performance levels

the silicon carbide element is likely cracked

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

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

Inspect the ceramic insulator for hairline cracks where high voltage might arc to the ground before reaching the tip

York S1-025-22273-001 Limit Switch 321702-401 the Nordyne M0090903R Motor offersThe 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