smoke system for sale, brand-new and used.

SYSTEM SENSOR 2W-B SMOKE DETECTOR I3. New in box.

Simplex addressable duct smoke detector. If you have a Simplex addressable system this would be good to have on hand as a spare part as they are very expensive to buy new. This was removed from a working system however being sold as-is.

I have 16 of these 912 I smoke detectors they came out of a fully active system that was replaced, upgraded to a newer system. contact me if you're interested in buying multiples

This item still has original packaging

open box, complete set, comes with batteries also and directions and adhesive.

You are buying a 100 series direct wire smoke detector with smart check model 2100s new in box. 

Siemens Smoke Detector HFP-11 with DB-11 base.  • Most Sophisticated “Detector

NOTIFIER NP 100 PHOTOELECTRIC SMOKE DETECTOR This listing is for One (1) Notifier Photoelectric Smoke Detector. Item is New, in Box Left Over from a Job Well Done. "This is an Addressable Sensor That Combine a State-of-the-Art Photoelectric Sensin

The Kidde KN-COSM-BA battery-operated carbon monoxide and smoke alarm combines two important safety devices into a single unit. This alarm includes a voice warning system that makes four announcements: fire, carbon monoxide, low battery, or smart hush activation. The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement.

ARCHITECT AND ENGINEER SPECIFICATIONS  Four (4) models available  Addressable and conve

You are buying a gent ex 8100py photoelectric smoke detector this I'd 4 wire style brand new in box.

System Sensor D4120 Innovair Flex HVAC Duct Smoke Detector 4-Wire New 4-Wire Photoelectric

Features

USA Daily Deals System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector

Gentex 8240PTY Photoelectric System Smoke Detector, Reverse Local 90dBA Piezo, Integral 135 Thermal, Non Latching Circuit Y The Gentex 8240PTY is a 24VDC Photoelectric Smoke Detector with an Integral 135 degree (f) Thermal designed for industrial, commercial, institutional, and residential applications.