York S1-025-26366-001 Limit Switch This is a wrapped belt

This is a wrapped belt designed for smooth engagement and quiet operation in standard HVAC drive sheaves where high-speed flexibility is required

and Luxaire gas furnaces and air handlers

Technicians should measure the microamp (µA) signal using a multimeter in series with the sensor wire

Automatic Reset: Eliminates manual intervention by restoring the circuit once temperatures return to safe operating levels

York S1-025-26366-001 Limit Switch This is a wrapped beltThe York S1 025 26366 001 is a high precision HVAC furnace limit switch engineered for critical temperature regulation within commercial and residential gas fired units. This OEM York replacement part features a standardized SPDT configuration designed to disrupt the burner circuit if heat exchanger temperatures exceed safe operating parameters. Operating on an auto reset thermal disk mechanism, the unit is calibrated for an operating temperature