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

These bases are from new addressable smoke detectors which required a different base. There are 29 in this package

Please see my other auctions I have like 11

These combo photoelectric, infrared, heat, and CO SK-FIRE-CO meet current commercial codes. They were used for only three months at a haunted house. They were purchased last year for 130 a piece not installed.

This ADT/Honeywell commercial alarm system was used for one year and is in excellent condition.

This is a lot of 3 RTS451 System Sensor remote test station for duct detectors fire alarm. They have never been used but may be missing some parts. Take a look at the pictures to be sure.

System Sensor 2400 Smoke detectors. Minor paint on base and some minor scratches and nicks. Smoke detectors working when removed due to upgrade.

System Sensor B402B Plug-in Detector Base for use with 1451, 2451, and 2451TH Smoke Detectors. (D5-01,D5-02,D5-03,D5-04,D5-05,D6-06,D5-11,D5-12,D5-13,D5-14,D5-15,D6-01)

System Sensor B406B Plug-in Detector Base for use with 1451, 2451, 2451TH, 4451HT, 5451 smoke detectors. (D6-02,D6-03, D6-04, D6-06, D6-07, L2-05)

This is a new System Sensor Beammmk Smoke Detector it is in its original packaging!

Lot of 2 System Sensor 2 wire photoelectric smoke detectors, new in factory boxes. US shipping only.

Just in from a local aerospace company surplus sale comes this Lot of 5 Smoke Detectors / 3 Siemens Pyrotronics DI-B3H / 2 System Sensor 1451, open boxes, no paperwork, 1 missing base as shown Local Pick-up available 8am-12noon weekdays from 91355 // 9% CA sales tax required // most items purchased before 10am ship same day WE SHIP FAST !! Location // FR microwave shelf bottom

Missing Original Packaging and Instructions Features: The RTS151 and RTS151KEY remote test stations are automatic fire detector accessories designed to test duct smoke detectors from a convenient location. For 4-wire detectors, the RTS151KEY test station features a multi-colored LED that alternates between steady green and red. For 2-wire detectors, the LED illuminates red for alarm.

This is a new Fire-Lite MP-12 Fire Alarm Panel. This is new old stock. Tested and works great.

FOR SALE 2W-MOD2 2 WIRE LOOP TEST /MAINTENANCE MODULE IT ALLOWS 2 WIRE SMOKE DETECTORS TO BE USED ON A PANEL WITH 4 WIRE SMOKE DETECTOR ALARM PANEL. 

Description The RTS151 and RTS151KEY remote test stations are automatic fire detector accessories designed to test duct smoke detectors from a convenient location. For 4-wire detectors, the RTS151KEY test station features a multi-colored LED that alternates between steady green

USA Daily Deals System Sensor 4W-B 4-Wire, Photoelectric i3 Smoke Detector

Bidding on 10 used but working System Sensor model 2WB, 2 wire 12/24vdc, photoelectric smoke detectors. Items were removed for a renovation. May have some minor paint/plaster on them but otherwise in good shape.

For sale is a new in the box System Sensor, I3 series, photoelectric smoke detector with plug in base.    It is a 4 wire smoke rated to 135 degrees.   Thanks for looking and I will be listing additional similar smoke detectors.

Listed for sale is this System Sensor 100 Series Direct Wire Smoke Detector with Smart Check model no 2112/24TS. Unused in open box.What you see is what you will recieve.Thanks

**Please note multiple sensors are pictured, price is for single sensors** New in box! Opened only for inspection and photo purposes. Brand New System Sensor Photoelectric Smoke Detectors (i3 Series).