alarm panel box for sale, brand-new and used.

An HVAC system supplies conditioned air to virtually every area of a building. Smoke introduced into this air duct system is distributed to the entire building. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct.

Brand new in box, 1 available. Non-refundable, all sales final $55.00 each The Gamewell-FCI Velociti® Series, analog addressable plug-in smoke sensors with integral communication provide features that surpass conventional sensors. Sensor sensitivity can be programmed in the control panel software.

The RRS-MOD polarity reversing relay/synchronization module is intended for use with 2-wire and 4-wire i3 series detectors equipped with a built-in sounder, models 2WTA-B, 4WTA-B, 4WTAR-B, and 4WITAR-B. It is designed to allow all the detectors in the same loop to sound when one of the detectors goes into alarm, and to synchronize their audible output. The RRS-MOD also allows the silencing of the detector sounders from the alarm control panel.

Please note these are not "house" type battery powered smoke detectors. These smoke detectors are designed to wire into a fire alarm or security panel. These are 4 wire smoke detectors.

Features: Solar-powered welding helmet with auto-darkening filter switching from light to dark in 1/25000 sec. Improved optics for 1/2/1/3 denomination to deliver optimum optical clarity to minimize eye fatigue Extra-large 4"X2" viewing area with variable shade adjustment from #9 -#13 a resting shade of #4 Suitable applications include Stick (arc welding), MIG (Metal Inert Gas) TIG (Tungsten Inert Gas) In conformance with GS, DIN-Gepruft, CE, ANSI Z87.1, CSA Z94.3, AS/NZS standards

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