Pre-owned EST Edwards SIGA-HRS Intelligent Heat Detector Sensor Head w/ Base SIGA-SB. This item was removed from a working environment where it was working properly. Please, note photos show typical item you will receive. Some marks or signs of use, excellent working condition when removed. Please note: All parts should be installed and tested by a certified fire alarm company.
The Edwards EST SIGA-HRS Heat Detector is a combination 15°F per minute Rate-of-Rise, and 135°F (57°C) Fixed-Temperature Heat Detector. It gathers analog information from heat sensing elements and converts it into digital signals. For use with an S853 UL Listed Base. A SIGA-SB Detector Mounting Base – Standard is included.