York S1-025-29041-007 Limit Switch Common indicators include improper defrost

Common indicators include improper defrost cycling

Applying a thin layer of NSF-approved lubricant to the seal prevents binding and ensures a proper seating during hopper reassembly

This American-made 1/2 SAE x 3/8 MPT x 1/2 SAE fitting is machined from premium C360 brass

For technicians working with legacy systems

York S1-025-29041-007 Limit Switch Common indicators include improper defrostThe York S1 025 29041 007 Limit Switch is a critical safety component designed for precise thermal monitoring in HVAC furnaces and air handling units. Operating with a calibrated 140 170F temperature range, this auto reset limit switch is engineered to open the electrical circuit at 170F to prevent heat exchanger damage and automatically close once internal temperatures drop to 140F. As a genuine OEM replacement part for York, Coleman, and Luxaire