York S1-55000-328 Detector Head Els PW 17895 non-position sensitive design allows for

non-position sensitive design allows for flexible mounting on various Copeland compressor models

Featuring integrated spade terminals

including fire

and solid contaminants that compromise compressor health

while the factory-calibrated setpoints eliminate field adjustment errors

York S1-55000-328 Detector Head Els PW 17895 non-position sensitive design allows forThe 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,