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 HN-WM06 is an economic wall mount loudspeaker for general purpose applications. It is a full range loudspeaker for speech and music reproduction in shops, department stores, schools, offices, stad
The Thermotech 302 Series rate-anticipation heat detec- tors operate within a controlled range of two to three de- grees of their set points, regardless of the speed or rate of temperature rise.