This unique and patented device has been helping stop false fire alarms around the world for more than 25 years, without restricting legitimate alarms.
Take your pick from 6 loudspeakers (available in charcoal or white) for high-quality sound effects across a range of frequencies - from bass to treble. Mounting brackets can be purchased separately fo
Photoelectronic Low-Profile Plug-In Detector for Special Applications
Note: For pendent mount applications where remote testing is NOT needed, the 2151 needs to be used with either the B114LP or B114
System Sensor’s SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications.