The Model FDBZ492 air-duct housing is a two-wire addressable or conventional duct Detector (without relays) designed for direct use to heating, ventilating and air-conditioning (HVAC) air-duct systems. When equipped, the air-duct Detector housing will signal the presence of smoke being carried through the duct system.
Model FDBZ492 functions with the following Siemens detection devices: Models 8710; 8713; 8854B; FP-11; HFP-11; HFPO-11; OOH941; OOHC941; OP921; OP121; SFP-11; SFPO-11; PE-11, and PE-11C.
Model FDBZ492 functions with the following Siemens detection devices: Models 8710; 8713; 8854B; FP-11; HFP-11; HFPO-11; OOH941; OOHC941; OP921; OP121; SFP-11; SFPO-11; PE-11, and PE-11C.