Siemens WBBS-W

DescriptionConsisting of white-coated finish and part of the Siemens Series of Fire-Alarm Signaling Devices, Model WBBS-W is a sturdy die-cast weatherproof housing with a threaded conduit hole with one-half-inch (1.3 cm) knockout for outdoor applications. Model WBBS-W is used with Siemens Models MH115; MTH-15-115, and with B6 and B10 bells. Also compatible with Model AH, MBDC and SETSF-series appliances, each Model WBBS-W back box measures 4.1 inches (10.4 cm) [H] by 5.0 inches (12.7 cm) [W] by 2.0 inches (5.1 cm) [D].