Siemens FDBZ492-R Air-Duct Housing with Relay
$250.00
The Siemens FDBZ492-R Air-Duct Housing with Relay is a two-wire conventional duct detector with relays designed for direct use to heating, ventilating and air-conditioning (HVAC) air-duct systems.
Model FDBZ492-R contains a relay base, and when equipped with a conventional air-duct housing, will signal the presence of smoke being carried through the duct system.
Compatible for use with these Siemens models detectors:
— OP121
— PE-11,
— PE-11C
— 8854B
p/n S54319-B24-A1
