Smoke Detectors
smoke detectors — pre-owned
Browse 1,045 smoke detectors — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
NOTIFIER FST-951 INTELLIGENT ADDRESSABLE 135° FIXED TEMP. HEAT DETECTOR "WHITE"
NOTIFIER FST-951 INTELLIGENT ADDRESSABLE 135° FIXED TEMP. HEAT DETECTOR "WHITE" FULLY FUNCTIONAL PRE-OWNED CONDITION FLASHSCAN PROTOCOL ONLY 64 AVAILABLE 1 ORDER = 1 FST-951 SEE PICTURES FOR DETAILS
System Sensor DH100ACDCLP Smoke Duct Detector
They have been cleaned and tested. Price is for 1 Duct Detector
8-System Sensor 2W-B Smoke Detector 2-Wire White, ORIGINAL BOX
With its compact size and easy installation.
Honeywell Silent Knight SD505-DUCTR Duct Smoke Detector with Relay
The Honeywell Silent Knight SD505-DUCTR Duct Smoke Detector with Relay is a high-quality smoke detection system designed for commercial and industrial use. This model by Honeywell Silent Knight is known for its reliable performance and unique features, such as the built-in relay for seamless communication with other fire protection equipment. This duct smoke detector is an essential component in ensuring the safety and security of facilities, making it a trusted choice for businesses looking to enhance their fire protection measures. used in good condition
System Sensor 2W-B Smoke Detector and Base Two-Wire Power Zone
System Sensor 2W-B Smoke Detector and Base Two-Wire Power Zone
Siemens FDO421 Fire Alarm Smoke Detector - DPU Tested - Free Programming!
This item is soldas-is for parts or not working. Accessories (such as keys, bases, mounting hardware, or other peripherals) are not included unless specifically noted. The item you receive may vary slightly from the one pictured but will be in a similar condition.
System Sensor 2W-B Smoke Detector USED
System Sensor 2W-B Smoke Detector USED This is used. I do not believe this was the original box that came in. This is just the box that I received this item in. Please review all photos before purchasing. Shipping is free with tracking. Free shipping is only available to lower 48 states. Good luck Bin# 21
KIDDE KIR-PHD INTELLIGENT MULTISENSOR PHOTO-HEAT DETECTOR EDWARDS SIGNALING
WORKING PULL. IN EXCELLENT CONDITION. NO ACCESSORIES INCLUDED. SURPLUSYOU LLC IS NOT AFFILIATED WITH ANY FIRE ALARM PART MANUFACTURERS. WE ARE ALWAYS WILLING TO WORK OUT A SUCCESSFUL RESOLUTION.
System Sensor 2400 Smoke Detector Yellowed
Yellowed from the lighting.
You save $2.00
Fireray 5000 8-100m, Apollo SA7100-100APO Beam Detector
Fireray 5000 8-100m, Apollo SA7100-100APO Beam Detector
Honeywell Silent Knight SK-PHOTO-W Low-Profile Addressable Detector, White
Hochiki SLR-24V Smoke Detector
🤪 SYSTEM SENSOR DUCT MOUNT SMOKE DETECTOR 120 VAC D4120
SYSTEM SENSOR DUCT MOUNT SMOKE DETECTOR. LOCATED ROW 3R-2 CC. 120 VOLT AC. 24 VOLT AC/DC. WE HAVE VERY REASONABLE RATES AND YOU CAN ALWAYS SET-UP YOUR OWN FREIGHT.
You save $7.00
Siemens ILI-1 Ionization Smoke Detectors (Lot of 5) With Bases.
The Siemens ILI-1 Ionization Smoke Detectors are a set of five smoke detectors with bases. 3 bases are the DB-3S and the other 2 are the DB-X3RS relay bases, designed to provide reliable fire protection in various settings. These detectors from Siemens are known for their high-quality construction and effective ionization technology, making them a trusted choice for businesses and industrial facilities. With the model number ILI-1, these smoke detectors offer peace of mind and safety for any environment requiring efficient fire protection equipment.
Silent Knight by Honeywell Analog Photoelectric Smoke Sensor SD505-APS
Silent Knight by Honeywell Analog Photoelectric Smoke Sensor SD505-APS
APOLLO 55000-212 APO S60 LONISATION SMOKE DETECTOR WITH BASE LOT OF 3
MODEL :- LONISATION. S60 SMOKE DETECTOR. MAKE :- APOLLO. PART NO :- 55000-212 APO.
Hochiki SLR-24V Smoke Detector
Good condition.
PYROTRONICS (CERBERUS) D1-2D SMOKE DETECTOR WITH BASE
DI-2D smoke and base used
System Sensor 2W-B Smoke Detector Oversprayed
Slight over spray of paint.
GE Security Smoke Detector Four-wire ESL 500 Series 541CXT Working
GE Security Smoke Detector Four-wire ESL 500 Series 541CXT Working This came out of a working system from what I was told. I have a couple different models that I listed. I’ve sold a few and had no problems. Please review all photos before purchasing. Shipping is free with tracking. Good luck Bin# 21
System Sensor 2400 Smoke Detector (Slight Yellowing)
Slight yellowing from the lighting.
You save $1.00
System Sensor 2400 Smoke Detector White
Tested, works good.
Silent Knight SD505-APS (Hochicki) Smoke Detector With Base. In Working Order
I removed these smoke detectors from a fully functional system, I disassembled and cleaned the chamber of any dust, Note; Silent knight no longer makes these devices and if you have these type smokes in your building, you cannot replace with the new SK-Photo devices as your system used the SD portfolio and the new smokes use the SK portfolio (you cannot mix sk & sd devices on your panel I also have the SD500-PS & SD500-PSA pull boxes available as well Thanks for looking
System Sensor 1451 Smoke Det. Yellowed
Yellowing from the light exposure. No base.
Lot of 3 System Sensor 2W-B Series 2-Wire Photoelectric Smoke Detectors
Lot of 3 System Sensor 2W-B Series 2-Wire Photoelectric Smoke Detectors. Removed from a working system.
OSID OSI-R Reflective Imaging Beam Smoke Detector Conventional ^
Pre-owned. Never installed. Light scratches in areas from being stored. Includes: Smoke detector, front cover, rear cover, and reflector. Detection Range: 16.4 ft to 328 ft (5 m to 100 m) Operating Voltage: 10.2 to 32 VDC (Nominal 12/24 VDC) Field of View (FOV): 12° (Wide angle) Adjustment Angle: 50° Horizontal, 20° Vertical (Internal "Eyeball") Sensitivity Levels: 4 Levels: 25%, 30%, 40%, and 50% IP Rating: IP55 Temperature Range: -4°F to 131°F (-20°C to +55°C) See Photos for Details Thank you for viewing our item.
You save $32.49
Notifier AEM-16AT Annunciator AEM16AT
Notifier AEM-16AT.
You save $13.50
FENWAL DH-21 Duct Detector With Ion Smoke
I removed this duct smoke from a fully functioning system, it has an ION Smoke installed
LOT OF 5 HEKATRON ORM 130A OPTICAL SMOKE DETECTOR
MODEL:ORM 130A. SMOKE DETECTOR. NINE MARINE.
You save $85.01
Lot of 15 Siemens FP-11 used smoke detectors with bases.
Lot of 10 Siemens FP-11 used smoke detectors with bases.
HONEYWELL FSL-751A / FSL751A (USED) OEM Notifier
This smoke detector is a high-quality OEM product from NOTIFIER CO, designed for reliable and effective fire protection. The model FSL-751A is a great addition to any facility, providing early warning in case of smoke or fire. It is perfect for use in industrial settings and can be easily integrated into existing fire protection systems. With its durable construction and proven performance, this smoke detector offers outstanding value and peace of mind.
Pack of 18 pcs Apollo series optical smoke detector 55000-650APO
Used but in very good condition. Pack of 18 units.
Apollo XP95A 55000-450APO Fire Alarm Heat Detector + Base
This item is soldas-is for parts or not working. Accessories (such as keys, bases, mounting hardware, or other peripherals) are not included unless specifically noted. This item isused. The item you receive may vary slightly from the one pictured but will be in a similar condition.
BOSCH D7050 Multiplex Photoelectric Smoke Detector w/ D7050-B6 Base. Preowned
BOSCH D7050 MUX addressable smoke detector, Used in good clean working condition Includes the D7050-B6 2-wire base. 2 available FAST FREE SHIPPING1
Honeywell 5193SD Addressable Photoelectric Smoke Detector
The Honeywell 5193SD Addressable Photoelectric Smoke Detector is a reliable and high-quality fire protection equipment designed for use in commercial and industrial settings. This unit is manufactured by Honeywell, a trusted brand known for producing durable and efficient smoke detectors. Made in Mexico, this specific model offers advanced technology and functionality, providing peace of mind against potential fires. With its addressable capabilities and photoelectric design, the Honeywell 5193SD is a valuable addition to any facility maintenance and safety plan.
SYSTEM SENSOR 2151 CONVENTIONAL PHOTOELECTRIC SMOKE DETECTOR W/B110LP BASE
SYSTEM SENSOR 2151 CONVENTIONAL PHOTOELECTRIC SMOKE DETECTOR W/B110LP BASE. Condition is Used. Shipped with USPS Ground Advantage.
NOTIFIER ICM-4 INDICATING CONTROL MODULE FIRE ALARM BOARD
NOTIFIER ICM-4 INDICATING CONTROL MODULE FIRE ALARM BOARD MA 19 GC392/2R5
System Sensor 4WTA-B 4W Smoke Detector WORKING
You are buying 1 System Sensor 4WTA-B 4W Smoke Detector. This unit is WORKING properly it has been tested. WHAT YOU SEE IS WHAT YOU GET.
You save $4.90
System Sensor Model No. DNR Non-Relay Duct Smoke Detector
Tested excellent condition The System Sensor Model No. DNR Non-Relay Duct Smoke Detector is a reliable and efficient fire protection equipment designed for commercial and industrial facilities. This smoke detector, manufactured by System Sensor, features a non-relay design that offers increased sensitivity and accuracy in detecting smoke particles. The DNR model is known for its durability and dependability in maintaining a safe environment by promptly alerting occupants in case of a potential fire hazard. Ideal for facility maintenance and safety measures, this smoke detector is a trusted choice for protecting properties and ensuring the safety of individuals.
Pack of 25 pcs Apollo series optical smoke detector 55000-650APO
The product is a pack of 25 Apollo series optical smoke detectors, specifically the model number 55000-650. These smoke detectors are designed to detect smoke and provide early warning in the event of a fire. The Apollo brand is known for its quality and reliability in the industry, making this product a trusted choice for fire safety. Each detector in the pack is individually labeled for easy identification and installation.