Broad Application: Verified for use in C9MPD

The red coding is a visual indicator for technicians to quickly identify the specific temperature rating and switch logic

elements staying on when the thermostat is satisfied (stuck closed)

utilizing this genuine ICP part is vital for resolving airflow misalignment and preventing pressure switch faults caused by cracked or leaking non-OEM transitions

Will this work on other furnace brands

York S1-55000-328 Detector Head Els PW 17895 Broad Application: Verified for useThe York S1 55000 328 is a high sensitivity photoelectric duct detector head engineered for rapid smoke detection within environmental air ducts. This OEM York replacement part serves as the direct successor to the legacy S1 55000 225 ionization head, facilitating a critical transition from ionization to photoelectric smoke sensing technology. By utilizing an infrared LED and photo diode arrangement, the S1 55000 328 excels at detecting slow burning,