system sensor smoke detectors for sale, brand-new and used.

SYSTEM SENSOR 2112/24AITR 4 WIRE PHOTOELECTRIC SMOKE DETECTOR W/FIXED HEAT AND INTEGRAL TEMP 3 SOUNDER, AUDIBLE ISOLATED THERMAL AUXILARY RELAY 100 SERIES DIRECT WIRE SMOKE DETECTOR WITH SMARTCHECK. INSTALLATION AND MAINTENANCE INSTRUCTIONS 2112/24AITR Photoelectronic Smoke Detector with Fixed Heat and Integral Temp-3 Sounder Figure 1. Wiring diagram for the 2112/24AITR detector: 3825 Ohio Avenue, St.

Lot of 9 SMOKE-AUTOMATIC FIRE DETECTORS | 4W-B | 4-Wire Photoelectric (Manual in electronic format shown in photos is available upon request) Free Shippinga

Brand New in box 4 wire 24vdc Photoelectric Smoke Detectors your bidding on a lot of 15

RTS2 is a multi-signaling accessory, without strobe, designed to work with InnovairFlex 4-wire conventional duct smoke detectors. Features include: • Standby (Green Blink), Trouble (Amber), Maintenance (Amber Blink) and Alarm (Red) LEDs to indicate detector status • Keyswitch to select desired sensor, enable test/reset button and sensitivity reading • Test/reset button • Sensitivity reading ability with SENS-RDR (sold separately) • Selectable continuous or temporal tone

Lot of 7 fire alarm items 4 horn and strobe devices system sensor wheelock horn gentex horn strobe System sensor and detection systems conventional smoke detectors Pulled from a working environment. Thanks!

RA100Z remote annunciator is designed for both conventional and intelligent applications. It’s red LED provides visual indication of an alarm condition. Expand the versatility of the InnovairFlex line of duct smoke detectors with System Sensor notification and test accessorie

Removed from a working system that switched to addressable detectors. This one still looks great and sensitivity tests show it in great working condition. It was in a very clean basement of an older historical homestead.

INNOVAIR FLEX (INNOVAIRFLEX).....SYSTEM SENSOR.....4 WIRE DUCT SMOKE DETECTOR.....MODEL D4120... ..MAKE YOUR OFFER AND SAVE MONEY

SYSTEM SENSOR 4-WIRE PLUG-IN PHOTOELECTRIC WITH BASE 12/2

4-wire photoelectric low-flow duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet pe

 3 system sensor 4 w-b photoelectric smoke detectors.

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Removed these before a demo. The were used for about 3 years. See pictures for condition.

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.

These (13) are New In Box 2424 System Sensor 4 wire 24vdc smoke detectors, may show a little wear on outer box from sitting on shelves.

You are buying 2 Brand new never opened System sensor smoke detectors. These are hardwire 12 or 24 volt smokes. The color is white.

Description The Signature Series model SIGA2-PCOS Intelligent Photoelectric Smoke Detector with CO Sensor is an intelligent device t

Features

Features: ? Wide sensitivity range ? Laser based smoke detection

One (1) System Sensor 2W-B Photoelectric smoke detector with plug in base