This unique and patented device has been helping stop false fire alarms around the world for more than 25 years, without restricting legitimate alarms.
The 5151 thermal detector meets the needs for applications where rapid response is vital and rapid temperature increases would only be caused by a fire emergency.
The SpectrAlert Advance P2WK is a white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.