Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) \n\n\n\nWG4 Series appliances feature highly

\n\n\n\nWG4 Series appliances feature highly intelligible and efficient mylar-cone loudspeakers

and use a Xenon flashtube with solid state circuitry enclosed in a rugged Lexan® lens to provide maximum reliability for effective visual signaling

water flow switches

Each monitor input provides an interface between a fire alarm control panel and one or more normally open contact-type devices

7 VRMS audio output

Silent Knight SD505-APS Smoke Detector (Refurbished - 90 Day Warranty) \n\n\n\nWG4 Series appliances feature highlyThe SD505 APS compensates automatically for contamination in the environment. Detector calibration test viewing is simpleeven from a remote site. The SD505 APS offers a low profile installation and uses the model SD505 6AB base, compatible with other detectors in the series, allowing for complete application and placement flexibility. Like other Farenhyt smoke detectors, the SD505 APS offers easy installation, stable operation, RF transient