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Proper floor drainage is always required
The Honeywell T87K1007 is a mercury-free
For HVAC technicians and mechanical contractors
ensuring consistent electrical ratings
use a multimeter to check for electrical continuity across the terminals
York S1-55000-328 Detector Head Els PW 17895 Proper floor drainage is alwaysThe 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,
