York S1-025-28670-002 Limit Switch Els PW 17895 deep pitting or hairline cracks

deep pitting or hairline cracks in the porcelain require a full replacement of the Lennox 83L71 to ensure long-term system reliability

OEM Compatibility: Specifically designed for the Dunkirk PWXL series and Utica hydronic boilers

Rheem-Ruud 47-102478-01 A/R Low Ambient Control

Rugged 8-inch rigid probe constructed from 304 stainless steel resists corrosion and physical stress

whereas P-series probes often feature PTFE coating for specific insulating requirements

York S1-025-28670-002 Limit Switch Els PW 17895 deep pitting or hairline cracksThe York S1 025 28670 002 Limit Switch is a critical safety component designed for precise thermal monitoring within residential gas furnaces and air handlers. This high limit control features fixed set points, engineered to break the electrical circuit to the gas valve if the heat exchanger temperature reaches the 120 degree opening temperature threshold. Once the plenum cools to the 80 degree closing temperature, the switch automatically resets,