system sensor horn for sale, brand-new and used.

This is a System Sensor, Model No. B501BH Base with Horn, Part Number 417488. (D2-03,D5-10)

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System Sensor MHW Mini Horn White 12 and 24 V Operation New in Box

The smoke alarm operates on the light scattering principle, a superior method of detection in smoldering fires. It has a pulsing LED light source and a photodiode sensor in a fully screened sensing chamber. When smoke enters the chamber, the infrared beam is deflected onto the sensor.

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Y 81.

This is a Flush Strobe Grille, Wite Lens w/Fire Standard Intensity L

Performance. SpectrAlert selectable output wall-mount horns, strobes, and horn/strobes offer key performance features long associated with the SpectrAlert name. The selectable candela strobes and horn/strobes offer average current draws that are not only lower than conventional fixed-candela SpectrAlert products, but also lower than similar selectable candela products.

System Sensor MA-12/24L Fire Alarm Security Sounder Horn. Used and needs cleaned. if you need more then one we have 13 more that we can sell.