Simplex 2084-9021 Firefighter Phone Assembly 30/01 the heat sensor will operate

the heat sensor will operate at a default sensitivity providing heat detection for building protection at that location

connect low-voltage circuits to magnetic door holders

and Infrared (PTIR) Detector

or booster charger (BBC)

Simplex 2084-9021 Firefighter Phone Assembly 30/01 the heat sensor will operateFirefighter Phone Assembly, Surface Mounting, Magnetic latch door with call in red LED on door trim and armored cable phone. Firefighter telephone systems provide two way communications for facilities where radio communications may not be available or are unreliable. They are typically used during active firefighting conditions, during a fire alarm investigation, or during fire alarm system inspection and test. Operation requires a dedicated two wire