Description
The Siemens DB-11 detector base is compatible with Model ‘H’ series,‘11’ series, and ‘121’ series of conventional detectors. Also compatible with addressable Siemens Series 11 Detectors and Model ‘H’ series detectors, as well as Models OH921, OP921, OOH941, OOHC941 and HI921 intelligent detectors. Mounts on a 4-inch octagon, square or single-gang electrical box.
