Silent Knight SD505-T2 SF 26/01 the temporal 3 evacuation tone

the temporal 3 evacuation tone for smoke alarm will take precedence over the temporal 4 tone for CO alarm

If this applies to you

It provides a twowire initiating circuit for normally open contact fire alarm and security devices

Breaking a window is one of the easiest and most common ways for an intruder to enter a home or business

Ground fault detection by address

Silent Knight SD505-T2 SF 26/01 the temporal 3 evacuation toneThe Model SD505 DUCT Duct Smoke Detector is a heavy duty detector housing with the SD505 APS Analog Photoelectric Smoke Sensor pre installed. It provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial and Industrial applications. The SD505 DUCT is in a heavy duty gray steel back box with a clear cover. It installs quickly and easily.