Other Alarm Parts & Accessories

other alarm parts & accessories — pre-owned

3,925listings

Browse 3,925 other alarm parts & accessories — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Bosch B450 With  B444-V Connettix Plug In Cellular Communicator
UsedBuy It NowBest Offer

Bosch B450 With B444-V Connettix Plug In Cellular Communicator

This listing includes (1) Bosch B450 (1) Bosch B444-V (3) mounting screws (2) antennas (1) bus cable This combination unit was removed from a working system in May 2026. There were no issues at the time of renewal.

$25.00
Free ShippingFarmington, US
electricmountainman
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100.0%Excellent· 550
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Inovonics FA570  FA400 FA210 Frequency Agile Repeater Lot
For parts or not workingBuy It Now

Inovonics FA570 FA400 FA210 Frequency Agile Repeater Lot

Inovonics FA570 FA400 FA210 Wireless Frequency Agile Repeater Lot of 23 Units AS-IS. • 11 × FA570. • 4-× FA210 (plus 1 cover for a FA210). • 10 × FA400. Lot of 23 Inovonics Frequency Agile Repeater devices.

$150.00
See listingDillon, US
fiveriverstradingco
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99.9%Excellent· 1.2k
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Alula BAT-Connect-V Cellular Alarm Communicator w/ Zone Expander Board
UsedBuy It NowBest Offer

Alula BAT-Connect-V Cellular Alarm Communicator w/ Zone Expander Board

Alula BAT-Connect-V Cellular Alarm Communicator w/ Zone Expander Board Used Alula BAT-Connect-V cellular alarm communicator with zone expander board included. Removed from a working environment Included: * Alula BAT-Connect-V communicator * Zone expansion board (shown in photos) * Enclosure/housing Condition: * Used condition with normal signs of previous installation and handling. * No additional accessories, cables, batteries, SIM cards, or mounting hardware included unless shown in photos. Please review all photos carefully for cosmetic condition and included items before purchasing.

$69.99
See listingMiami, US
trusted-deals-store
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99.7%Excellent· 319
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SYMMETRY M2150-8DBC/MKII 7000-5460-2 MultiNODE 8 Door Reader Control Module G4S
UsedBuy It NowBest Offer

SYMMETRY M2150-8DBC/MKII 7000-5460-2 MultiNODE 8 Door Reader Control Module G4S

The SYMMETRY M2150-8DBC/MKII 7000-5460-2 MultiNODE 8 Door Reader Control Module G4S is a sophisticated control module designed by AMAG for use in alarm systems. The module includes eight door readers and provides the necessary functionality to control access to multiple doors within a facility. With its advanced features and reliable performance, the SYMMETRY M2150-8DBC/MKII is a crucial component for ensuring the security and safety of a business or industrial setting.

$199.99
Free ShippingLos Gatos, US
baysurplustechnology
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99.6%Excellent· 6.3k
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Altronix AL300ULX Power Supply/Charger AL300ULXPD16CB
UsedBuy It NowBest Offer

Altronix AL300ULX Power Supply/Charger AL300ULXPD16CB

We will do everything in our power to find a resolution you are happy with!

$44.99
Free ShippingYellow Spring, US
plainsimple2012
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100.0%Excellent· 17.3k
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Simplex 38590107 TrueAlert Fire Speaker Strobe Wall Mount Alarm USIP
UsedBuy It NowBest Offer

Simplex 38590107 TrueAlert Fire Speaker Strobe Wall Mount Alarm USIP

Manufacturer Part Number: 38590107. Manufactured by SIMPLEX. 2-Year MRO Shield Protection. 2-Year MRO Shield Protection Plan Included! IMS MRO Shield Protection:Included 2-Year Coverage. Special Instructions?.

$26.57
Free ShippingMount Sterling, US
imssupply
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99.8%Excellent· 26.7k
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Altronix Programmable Digital Timer - PT724A
TOP
UsedBuy It Now

Altronix Programmable Digital Timer - PT724A

Untested

$23.74
Free ShippingNorman, US
infiniflipsTOP
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99.8%Excellent· 833
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Elk Echo Siren Alarm Speaker ELK-70, 8 Ohm, 20 Watt, White
UsedBuy It NowBest Offer

Elk Echo Siren Alarm Speaker ELK-70, 8 Ohm, 20 Watt, White

ELK 70 Echo Speaker, 20 Watts Nominal, Surface Mount, White. The ELK-70 is a 20 Watt, 8 Ohm Speaker mounted in an attractive surface mount plastic enclosure. This versatile Echo™ Series speaker is designed to be heard but not seen!

$18.00
Free ShippingBergenfield, US
shoppmk
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100.0%Excellent· 3.3k
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Honeywell Resideo Ademco SA5882-3ENL Wireless Receiver Works/Tested Alarm Board
UsedBuy It Now

Honeywell Resideo Ademco SA5882-3ENL Wireless Receiver Works/Tested Alarm Board

Item was installed and used but not for long. We have other Honeywell products. Questions welcomed New items added daily. Thanks We package properly and ship FAST 💨

$25.99
See listingCincinnati, US
99.90find
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99.7%Excellent· 1.2k
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HONEYWELL ADEMCO VISTA SECURITY SA5881-6NECRH HIGH END WIRELESS RECEIVER USED
UsedBuy It Now

HONEYWELL ADEMCO VISTA SECURITY SA5881-6NECRH HIGH END WIRELESS RECEIVER USED

USED WITH MINOR BLEMISHES. The product is a high-end wireless receiver for alarm systems, made by the brand ADEMCO. It is designed specifically for surveillance and alarm equipment, with a unit quantity of 1. The receiver is manufactured in Mexico and is not a modified item. It is a reliable and top-quality component for enhancing security systems in various industrial and commercial settings.

$30.00
Free ShippingMaricopa, US
jerry2474
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100.0%Excellent· 660
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Quorum A-160 Security Monitor Alarm System Unit w/ Keys Untested Vintage
UsedBuy It Now

Quorum A-160 Security Monitor Alarm System Unit w/ Keys Untested Vintage

Condition: Pre-owned. Appears very clean and possibly unused, but being sold untested. Details: Model: Quorum A-160 Security Monitor Includes original keys (see photos) Powers on status unknown (not tested) Shows light cosmetic wear from storage No additional cables or accessories included Notes: Sold as-is due to lack of testing. May be new old stock or lightly used.

$33.95
Free ShippingElizabethtown, US
avenpicks56
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99.5%Excellent· 297
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Altronix ACM8CB Power Controller Multi-Output Access
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Altronix ACM8CB Power Controller Multi-Output Access

Outputs will operate in both Fail-Safe and/or Fail-Secure modes. The fire alarm disconnect feature is individually selectable for any or all of the eight (8) outputs.

$33.99
Free ShippingCanal Fulton, US
tyschi264
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100.0%Excellent· 59
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TekTone SF123 2-Button Pull-Cord Station
TOP
UsedBuy It NowBest Offer

TekTone SF123 2-Button Pull-Cord Station

$19.99
See listingNevada, US
evergreenestoreTOP
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99.8%Excellent· 5.6k
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Bosch Biometric Reader
UsedBuy It Now

Bosch Biometric Reader

$199.99
Free ShippingSpring, US
firestopper16
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100.0%Excellent· 655
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Bosch Tri Tech Motion Detectors ISC-PDL1-WA18GB - Lot of 6
UsedBuy It Now

Bosch Tri Tech Motion Detectors ISC-PDL1-WA18GB - Lot of 6

Lot of 6 lightly used motion detectors pulled from a clean working condition.

$79.00
+$8.99Wichita, US
thegl0bfather
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100.0%Excellent· 265
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PELCO 9483-006H DOME POWER MODULE
TOP
UsedBuy It NowBest Offer

PELCO 9483-006H DOME POWER MODULE

EACH ITEM WILL BE IN A SIMILAR CONDITION AS THE ONE IN THE PHOTO. FEES MAY APPLY TO OTHER LOCATIONS. Featured Products. Product Details.

$68.00
+$18.00Rutherfordton, US
green_river_tradingTOP
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99.8%Excellent· 3.1k
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ELK M1 Gold M1GCB Board-Tested, RP Code, Update FW, P/S, Terminal Blocks, Elk952
UsedBuy It NowBest Offer

ELK M1 Gold M1GCB Board-Tested, RP Code, Update FW, P/S, Terminal Blocks, Elk952

Elk M1GCB M1 Gold Functional Test (69xx). Platform Capabilities (Why the ELK M1 Gold Remains Popular). Updated to the latest firmware and validated on a dedicated automated test fixture. • Firmware updated.

$319.00
See listingMilton, US
cycloidtech
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100.0%Excellent· 574
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Lot (3) Inovonics EN1223S Single-Button Water-Resistant Pendant Transmitter Used
TOP
UsedBuy It NowBest Offer

Lot (3) Inovonics EN1223S Single-Button Water-Resistant Pendant Transmitter Used

Fast shipping.

$39.97
+$5.99Jacksonville, US
polston533TOP
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99.9%Excellent· 3.8k
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Bosch /Radionics /Silent Knight D261AW Two-Wire Smoke/heat Detector Base
UsedBuy It Now

Bosch /Radionics /Silent Knight D261AW Two-Wire Smoke/heat Detector Base

The Bosch /Radionics /Silent Knight D261AW Two-Wire Smoke/heat Detector Base is a crucial component for maintaining safety in commercial and industrial settings. Manufactured by Silent Knight, this smoke detector base is designed for easy installation and reliable performance. With its two-wire design, this product ensures efficient detection of smoke and heat, making it an essential part of any alarm system. The base provides a sturdy foundation for the smoke detector, ensuring that it remains securely in place and continues to function effectively.

$25.00
Free ShippingValley Village, US
rustanikolaya_0
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100.0%Excellent· 316
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3 USED SQUARE D 9999SX6 SERIES B ELECTRICAL INTERLOCKS ***MAKE OFFER***
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3 USED SQUARE D 9999SX6 SERIES B ELECTRICAL INTERLOCKS ***MAKE OFFER***

THIS LOT CONSISTS OF: 1 USED SQUARE D 9999SX6 SERIES B ELECTRICAL INTERLOCK. It is possible we can work it out without the need for that.

$8.99
Free ShippingWarrensburg, US
terrycanarsky
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100.0%Excellent· 28.2k
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Altronix AL1012ULXPD16CB Multi-Output Power Supply/Battery Charger
TOP
UsedBuy It Now

Altronix AL1012ULXPD16CB Multi-Output Power Supply/Battery Charger

Photos are of actual device. All devices are factory reset. We are proud of the service and quality of the products we provide. Great deals on second hand devices. The item was previously used. Condition: Used.

$49.88
+$9.99American Fork, US
purpletechnadoTOP
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99.9%Excellent· 83.1k
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Bosch D8129 Octo-output Module, Form C Relays - Used
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Bosch D8129 Octo-output Module, Form C Relays - Used

The D8129 Octo-relay Module provides eight programmable Form C relays. The D8129 Octo-relay Module is suitable for applications requiring Form C relays to operate auxiliary systems or to display fire system status at remote annunciators.

$15.00
Free ShippingCrest Hill, US
thetechtray
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100.0%Excellent· 191
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BOSCH INOVONICS EN4200 Serial Receiver
UsedBuy It NowBest Offer

BOSCH INOVONICS EN4200 Serial Receiver

BOSCH INOVONICS EN4200 Serial Receiver. Item is used, but was pulled from a working environment. Great condition. FREE SHIPPING to the continental US only, please.

$42.00
Free ShippingSandston, US
dxcutter
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100.0%Excellent· 236
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BOSCH DX4020 Conettix Ethernet Network Interface Module - Used
UsedBuy It NowBest Offer

BOSCH DX4020 Conettix Ethernet Network Interface Module - Used

10BASE‑T or 100BASE‑T network connection. We're committed to resolving any issues quickly and making things right. Used item in good condition. Full‑duplex and half‑duplex support.

$30.00
Free ShippingCrest Hill, US
thetechtray
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100.0%Excellent· 191
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Bosch FPC-7034 Four-Zone Expander for Bosch FPD-7024 Fire Panel.
UsedBuy It NowBest Offer

Bosch FPC-7034 Four-Zone Expander for Bosch FPD-7024 Fire Panel.

This expander was removed from a Bosch FPD – 7024 panel in May 2026. There were no issues at the time of removal. This listing includes the expander, module End of line resistors and mounting clips Let me know if you have any questions I have several modules available please let me know if you need specific pictures of the exact module you plan to purchase. They are all 100% functional and in similar cosmetic condition.

$110.00
Free ShippingFarmington, US
electricmountainman
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100.0%Excellent· 550
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Notifier Model:  XPR-8  Fire Alarm Control Board Used
-31%
UsedBuy It NowBest Offer

Notifier Model: XPR-8 Fire Alarm Control Board Used

We will do everything in our power to find a resolution you are happy with!

$23.46$34.00-31%

You save $10.54

Free ShippingYellow Spring, US
plainsimple2012
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100.0%Excellent· 17.3k
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Centegix CrisisAlert Strobe Light Emergency Notification White CE-STR-02
UsedBuy It NowBest Offer

Centegix CrisisAlert Strobe Light Emergency Notification White CE-STR-02

Centegix CrisisAlert Gateway Bridge CE-STR-02 Condition: Offered as-is untested Brand: Centegix Model: CE-STR-02 Type: CrisisAlert Strobe Light Color: White/Black Connectivity: Wireless System Integration Power Source: Battery Operated Mounting: Wall or Ceiling Application: Emergency Notification Material: Plastic Features: High Intensity Strobe Keywords: Safety, Security, Alert System, Emergency Response, School Safety, Workplace Security, Visual Alarm, LoRaWAN, Crisis Management, Notification Device, Industrial Safety, Facility Management, Smart Security

$19.99
+$5.99Kansas City, US
liquidationkc
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99.6%Excellent· 8.1k
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Bosch B444-V Connettix Plug In Cellular Communicator Used
UsedBuy It Now

Bosch B444-V Connettix Plug In Cellular Communicator Used

Bosch B444-V Connettix Plug In Cellular Communicator Used. Used, pulled when system was upgraded to a v2 and as such the antenna are sealed.(4.1)

$35.00
Free ShippingPerris, US
rafapartyof4
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99.6%Excellent· 1.4k
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OMRON F3SJ-A0245P14-D, F3SJ-A0245P14-L SAFETY LIGHT CURTAIN
UsedBuy It NowBest Offer

OMRON F3SJ-A0245P14-D, F3SJ-A0245P14-L SAFETY LIGHT CURTAIN

OMRON F3SJ-A0245P14-D, F3SJA0245P14-L SAFETY LIGHT CURTAIN, RECEIVER+EMITTER, USED, WIRES ENDINGS ARE CUT

$260.00
+$13.00Cadiz, US
hwjelectricsurplus
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99.6%Excellent· 3.0k
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Lot of 9  Casi-Rusco 940-W 430084001 Proximity Card Readers See Description
-15%
For parts or not workingBuy It NowBest Offer

Lot of 9 Casi-Rusco 940-W 430084001 Proximity Card Readers See Description

Well, I will give you a few reasons:1. You ended up on this page because you are searching for aCasi-Rusco 430084001. MANUFACTURER PART NUMBER: 430084001. If you are not willing to repair or have this unit repaired, then do NOT buy this item.

$230.94$271.69-15%

You save $40.75

See listingAtlanta, US
atlanta404store
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99.8%Excellent· 12.1k
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TOA Electronics N-8000RS Sub Station Interface Unit
UsedBuy It NowBest Offer

TOA Electronics N-8000RS Sub Station Interface Unit

The TOA Electronics N-8000RS Sub Station Interface Unit is a specialized device designed for use in alarm systems and surveillance equipment. This unit, produced by the reputable brand TOA Electronics, serves as a connection point for sub stations in a larger alarm system. With a model number of N-8000RS, this unit is a crucial component for maintaining and improving the functionality of a facility's security system.

$200.00
See listingDeer Park, US
masontechnologies
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98.4%Excellent· 104
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Vivint V-MP2-345 Master Control Panel 12V 2.5A 345MHz 908.4MHz
UsedBuy It NowBest Offer

Vivint V-MP2-345 Master Control Panel 12V 2.5A 345MHz 908.4MHz

Vivint V-MP2-345 Master Control Panel 12V 2.5A 345MHz 908.4MHz

$65.00
See listingPompano Beach, US
chbar_4758
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100.0%Excellent· 13
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Altronix SMP3 Power Supply Battery Charger 12VDC 24VDC. 2.5 amp
UsedBuy It Now

Altronix SMP3 Power Supply Battery Charger 12VDC 24VDC. 2.5 amp

USED - Excellent Condition.

$29.99
Free ShippingPlano, US
quick_ship_usa
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99.7%Excellent· 6.5k
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IDTECK ITDC 4 Door Access Control Board RF Logics (B)
UsedBuy It NowBest Offer

IDTECK ITDC 4 Door Access Control Board RF Logics (B)

$250.00
+$15.00Chicago, US
dnbdan77
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100.0%Excellent· 131
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Centegix CE-STR-02 High Intensity Wireless Alert Strobe Emergency Crisis Alert
UsedBuy It Now

Centegix CE-STR-02 High Intensity Wireless Alert Strobe Emergency Crisis Alert

This crisis alert gateway device is used and is in very good condition. Unit has scuffs/scratches (see pictures). Unit is part of a quantity. Cisco 21033P C9300-NM-8X Network Module. Cisco 21034P C9300-NM-8X V03 Network Module.

$60.00
Free ShippingUS
kcliquidation
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99.8%Excellent· 22.0k
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CERBERUS/PYROTRONICS (Siemens) #ZU-35 System 3 Dual Zone Module – USED
UsedBuy It Now

CERBERUS/PYROTRONICS (Siemens) #ZU-35 System 3 Dual Zone Module – USED

The CERBERUS/PYROTRONICS (Siemens) #ZU-35 System 3 Dual Zone Module is a fire alarm module designed for commercial and industrial use. This system allows for the monitoring of two separate areas within a building, providing added security and protection against potential fires. With the trusted brand of CERBERUS/PYROTRONICS, this dual zone module is a reliable and essential component for any comprehensive alarm system.

$200.00
Free ShippingPorterville, US
jaymint76
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100.0%Excellent· 72
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Vintage Time Lapse Videocassette Recorder VCR NTSC System Model FTR-960R
UsedBuy It NowBest Offer

Vintage Time Lapse Videocassette Recorder VCR NTSC System Model FTR-960R

The item is in working condition. Please view photos provided for additional details and to determine the condition of the item. Feel free to ask any questions, and I will answer them asap.

$75.00
Free ShippingBreinigsville, US
artnoveauseller
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99.5%Excellent· 9.2k
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Lot Of 35 HID 1346LNSAN 125kHz ProxKey II Keyfob
UsedBuy It NowBest Offer

Lot Of 35 HID 1346LNSAN 125kHz ProxKey II Keyfob

$50.00
Free ShippingChicago, US
dnbdan77
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100.0%Excellent· 131
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DSC RF5132-433 PowerSeries Wireless Receiver 32 Zone 433MHz Pre-Owned w336
TOP
UsedBuy It Now

DSC RF5132-433 PowerSeries Wireless Receiver 32 Zone 433MHz Pre-Owned w336

DSC RF5132-433 PowerSeries Wireless Receiver 32 Zone 433MHz.

$349.99
+$4.90Gilbert, US
broomstick6TOP
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99.8%Excellent· 27.1k
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United Security Products Inc. AVD45-24 Automatic Voice Dialer, tested working!
UsedBuy It Now

United Security Products Inc. AVD45-24 Automatic Voice Dialer, tested working!

I tested with a 9 volt battery. It shows the + on the outer and all the spares I have are the normal + on the center. Up for your consideration is a United Security Products Inc. These devices dial a phone number to call you you when an alarm is triggered.

$100.00
Free ShippingVancouver, US
4pdx
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100.0%Excellent· 795
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