System Sensor 2151 SF 17/02 Address access is from the

Address access is from the front

a tri-color status LED

Pet owners looking to be protected from false alarms can choose the WS4904P model version

The InnovairFlex Series DNR and DNRW are intelligent (addressable) non-relay photoelectric duct smoke detectors

System Sensor 2151 SF 17/02 Address access is from theThe 2151 low profile photoelectronic detector uses a state of the art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed control panels only. The capability of plugging this detector into a variety of special bases makes it more versatile than equivalent direct wired models.