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The BRK Brands
Simplex 4905-9947 Adapter Skirt
Outdoor use requires BBK-1 weatherproof back box
Optical Smoke Detector - Flashing LED
Space Age SSU-SM-501-N SS-PHOTO-T When a visitor callsThe 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
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