this model serves as a field-ready replacement for the 620858R

this high-limit switch ensures seamless integration with compatible residential and commercial units including specific York

This compound manifold gauge is calibrated for high-accuracy readings across a 30 inHg to 350 psi range

or an audible humming sound from the outdoor unit without ignition

As a Type II 10K thermistor

York S1-025-29041-001 Limit Switch this model serves as aThe York S1 025 29041 001 Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in high efficiency furnace and air handling units. Specifically designed as an Auto Reset Limit Switch, it features a 3 inch probe insertion to accurately gauge plenum temperatures. This HVAC high limit control is calibrated to trigger at a high end threshold of 220F and reset at 190F, preventing heat exchanger damage and ensuring safe