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Simplex 4905-9947 Adapter Skirt
self-diagnostic
When a visitor calls
Mircom TX3-WRT-2H Two Button Transmitter with proximity 125 kHz
Space Age SSU-SM-501-N SS-PHOTO-T Simplex 4905-9947 Adapter SkirtThe SM 501 Series Duct Smoke Detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications The unit is designed to prevent the re circulation or spread of smoke by air handling systems, fans, and blowers. Complete systems may be shut down in the event of smoke detection. Features Ionization and Photoelectric versions available Operating voltages