York S1-55000-328 Detector Head Els PW 17895 reducing the risk of biological

reducing the risk of biological growth within the pan

For HVAC technicians and mechanical contractors

use a multimeter to check for electrical continuity across the terminals

designed for a 0

York S1-55000-328 Detector Head Els PW 17895 reducing the risk of biologicalThe 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,