Simplex 49SV-APPLW Speaker/Visa Appl Only SF 25/11 They also meet NFPA and

They also meet NFPA and UL 520Hz requirements for sleeping areas making them ideal for new construction or retrofits

and Trouble reporting

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government buildings and financial facilities

Simplex 49SV-APPLW Speaker/Visa Appl Only SF 25/11 They also meet NFPA andUse a Simplex fire alarm control unit (FACU) IDNAC signaling line circuit (SLC) to individually power, address, and control wall mount indoor and outdoor addressable S V notification appliances. Use a separate compatible Simplex FACU audio NAC for audio. The electronic monitoring of wiring supervision means you can T tap audio and IDNAC wiring for Class B wiring, reducing wiring costs and wiring distances. Install on standard 4 in. square 2 1 8 in.