York S1-025-41322-000 Limit Switch this model is the official

this model is the official direct replacement for DMPR-RS201 links used in older FD-1300 assemblies

Does this part include mounting hardware

engineered to open the electrical circuit if internal temperatures exceed 93°C (200°F)

Using a multimeter

York S1-025-41322-000 Limit Switch this model is the officialThe York S1 025 41322 000 Limit Switch is a critical safety component designed for precise thermal monitoring within furnace and air handler heat exchangers. This OEM York furnace limit switch operates on an automatic reset logic with a calibrated temperature range of 120 160 degrees Fahrenheit. When the internal plenum temperature reaches the 160F high limit threshold, the bimetal disc triggers a circuit break to prevent heat exchanger fracturing or