Shop security alarm contacts

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$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
358
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
$27.66
1078W-N Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$27.66
1078W-N Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$8.70
1085T-N Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$8.70
1085T-N Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$23.90
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$23.90
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$22.95
1082TW-M Edwards Sentrol Surface Mount Contact W/Terminals
Valin Process Control Solutions
$22.95
1082TW-M Edwards Sentrol Surface Mount Contact W/Terminals
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
134
Free shipping
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
$11.60
1085T-M Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$11.60
1085T-M Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
14
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
$590.61
2707AD-L Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$590.61
2707AD-L Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$92.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$92.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$164.00
Edwards 1076H-N Recessed Steel Door Contact With Wire Leads 1 Diameter High Security SPDT Biased For Higher Security 1/2 Gap Single Pole-Double Throw White
B and H Depot
$164.00
Edwards 1076H-N Recessed Steel Door Contact With Wire Leads 1 Diameter High Security SPDT Biased For Higher Security 1/2 Gap Single Pole-Double Throw White
B and H Depot
$13.75
Interlogix Magnetic Contact Surface Mount W/ Terminals For Security, 1085T-N UL
eBay
Free shipping
$13.75
Interlogix Magnetic Contact Surface Mount W/ Terminals For Security, 1085T-N UL
eBay
$99.00
GE Edwards 1076CH-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, Higher Security, Biased For Higher Security Applications, Single
Keyless Access Locks
$99.00
GE Edwards 1076CH-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, Higher Security, Biased For Higher Security Applications, Single
Keyless Access Locks
$15.99
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$15.99
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
$130.00
GE Security 2507A-L Surface Mount Aluminum Housing Contact W/ Armored Cable
Keyless Access Locks
$130.00
GE Security 2507A-L Surface Mount Aluminum Housing Contact W/ Armored Cable
Keyless Access Locks
$229.77
2845T-M Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$229.77
2845T-M Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$17.38
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
41
$17.38
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$36.70
10 Pcs NO White Door Contacts (Normally Open) Surface Mount Security Alarm Door Window Sensors. These Door Contacts (Dcs) Work With All Access Control
Walmart
Free shipping
$36.70
10 Pcs NO White Door Contacts (Normally Open) Surface Mount Security Alarm Door Window Sensors. These Door Contacts (Dcs) Work With All Access Control
Walmart
$586.55
2804T-M Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$586.55
2804T-M Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$9.35
5Pcs Recessed Magnetic Window Door Contacts Alarm Security
Walmart
Free shipping
$9.35
5Pcs Recessed Magnetic Window Door Contacts Alarm Security
Walmart
$12.00
White Honeywell Ademco Dsc Wired Door/Window Surface Magnetic Contact Sensor
eBay
Free shipping
$12.00
White Honeywell Ademco Dsc Wired Door/Window Surface Magnetic Contact Sensor
eBay
$188.99
Honeywell Vista 20P Hardwired Kit With A 6160 Keypad, One Is335 Motion Sensor, Three 7939Wg Contacts, And A Wave2 Siren
Walmart
1
Free shipping
$188.99
Honeywell Vista 20P Hardwired Kit With A 6160 Keypad, One Is335 Motion Sensor, Three 7939Wg Contacts, And A Wave2 Siren
Walmart
$5.32
Seco-Larm Surface Mount Magnetic Contact N.C. - White SM-200Q/W
DkHardware.com
$5.32
Seco-Larm Surface Mount Magnetic Contact N.C. - White SM-200Q/W
DkHardware.com
$34.99
10 Door & Window Alarm Contact Switch Normally Closed, Surface Mount--Brown
eBay
Free shipping
$34.99
10 Door & Window Alarm Contact Switch Normally Closed, Surface Mount--Brown
eBay
$61.00
GE Edwards 1076C-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, SPDT, 3/8" Gap Size, Single Pole-Double Throw, White
Keyless Access Locks
$61.00
GE Edwards 1076C-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, SPDT, 3/8" Gap Size, Single Pole-Double Throw, White
Keyless Access Locks
$7.28
5Pcs Recessed Magnetic Window Door Contacts Alarm Security Reed Switch
Walmart
$7.28
5Pcs Recessed Magnetic Window Door Contacts Alarm Security Reed Switch
Walmart
$21.74
$29.99
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact - 2-3/4 (70Mm) Gap, Open/Closed Loop
BSA Security Integrators
227
27% off
$21.74
$29.99
Seco-Larm SM-226L-3Q Overhead Door Magnetic Contact - 2-3/4 (70Mm) Gap, Open/Closed Loop
BSA Security Integrators
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
45
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
$39.95
Seco-Larm SM-226L-3 Magnetic Contact Overhead Door Mount Garage Open/Closed Loop
eBay
Free shipping
$39.95
Seco-Larm SM-226L-3 Magnetic Contact Overhead Door Mount Garage Open/Closed Loop
eBay
$13.90
$15.44
Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch
eBay
Free shipping
$13.90
$15.44
Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch
eBay
$61.00
GE Edwards 1076 Recessed Steel Door Contact With Wire Leads, 1" Diameter, SPDT, 1/2" Gap Size, Single Pole-Double Throw - Grey
Keyless Access Locks
$61.00
GE Edwards 1076 Recessed Steel Door Contact With Wire Leads, 1" Diameter, SPDT, 1/2" Gap Size, Single Pole-Double Throw - Grey
Keyless Access Locks
$3.91
$5.54
SECO-LARM SM-4105-LQ/B 3/4 Steel-Door Recessed-Mount Magnetic Contact - Brown, 1 (25Mm) Gap, Closed Loop, UL Listed
LocksmithKeyless
1
29% off
$3.91
$5.54
SECO-LARM SM-4105-LQ/B 3/4 Steel-Door Recessed-Mount Magnetic Contact - Brown, 1 (25Mm) Gap, Closed Loop, UL Listed
LocksmithKeyless
$30.95
Door Window Security Home Alarm Contact Surface Reed Switch Sensor
eBay
$30.95
Door Window Security Home Alarm Contact Surface Reed Switch Sensor
eBay
Ring Alarm Contact Sensor Installation | DIY | Ring Support
1:46
Ring Alarm Contact Sensor Installation | DIY | Ring Support
614.8K viewsJul 3, 2018
YouTubeRing
How to Install Smart Security Wireless Door Contacts
1:58
Find in video from 00:20Setting Up Door Contacts
How to Install Smart Security Wireless Door Contacts
12.8K viewsJan 11, 2016
YouTubeAlarm New England
Install a Honeywell Magnetic Alarm Contact
0:28
Install a Honeywell Magnetic Alarm Contact
11.2K viewsApr 17, 2013
YouTubeumonitored
Door Contacts - Overview
11:31
Door Contacts - Overview
5.7K viewsAug 27, 2019
YouTubeAlarm Grid
How To Set Up Ring Alarm Contact Sensor
6:24
How To Set Up Ring Alarm Contact Sensor
76.6K viewsMar 23, 2023
YouTubeOne Hour Smart Home
Door Contact Buying Guide: Don't Get This Wrong
13:46
Door Contact Buying Guide: Don't Get This Wrong
854 views5 months ago
YouTubeAlarm System Store
How to Wire a Door Contact to an Optima Alarm – Step-by-Step Guide (DIY Intruder System)
5:23
How to Wire a Door Contact to an Optima Alarm – Step-by-Step Gui…
889 views9 months ago
YouTubeSimon Security Expert
How to Install Door Contacts for Home Security
4:42
How to Install Door Contacts for Home Security
147 viewsApr 20, 2020
YouTubeRampart Security Systems
Heavy-Duty Garage Door Magnetic Contacts – Wired Alarm Sensor Set for Enhanced Security
0:41
Heavy-Duty Garage Door Magnetic Contacts – Wired Alarm Sensor S…
23 views2 months ago
YouTubeGranatan
Reasons Why the Wired Alarm Contact on a Door May Not Work
5:13
Reasons Why the Wired Alarm Contact on a Door May Not Work
80.8K viewsNov 4, 2019
YouTubeAlarm Grid
SR M55A Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
0:44
SR M55A Wired Alarm Garage Door Magnetic Contacts Switch Sensor …
9.3K viewsJun 27, 2022
YouTubeSUMRING Effie
How to install a magnetic door contact: Step by Step
9:10
How to install a magnetic door contact: Step by Step
9.3K viewsMar 12, 2025
YouTubeSimon Security Expert
How to install a magnetic door contact | Reed switch
5:57
How to install a magnetic door contact | Reed switch
388.7K viewsJan 25, 2014
YouTubeUltimate Handyman
How to connect a magnetic door contact switch to your alarm - tutorial
9:18
Find in video from 07:05Wiring the Alarm Panel
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88K viewsJan 25, 2021
YouTubeecologicaltime
Showcasing The PowerG Door/Window Contact Lineup
26:03
Showcasing The PowerG Door/Window Contact Lineup
1.8K viewsNov 7, 2024
YouTubeAlarm System Store
SimpliSafe Home Security Setup & Installation - Incredible Security System
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Find in video from 12:22Testing the Alarm
SimpliSafe Home Security Setup & Installation - Incredible Security S…
429.4K viewsOct 8, 2019
YouTubeGeeky Stuff
Series and Parallel Wiring With Alarm Systems Explained
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Series and Parallel Wiring With Alarm Systems Explained
24.6K viewsMay 24, 2023
YouTubeAlarm System Store
5PCS Wired Door Window Sensor Detector Magnetic Door Contact Sensor Switch For Burglar Alarm Sy
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4.4K views11 months ago
YouTubeThe Gadget Hunter
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Find in video from 01:00Preparing Your Ring Alarm
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240.4K viewsNov 22, 2019
YouTubeRing
Re-Attaching a Door or Window Sensor | ADT Home Security
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Re-Attaching a Door or Window Sensor | ADT Home Security
368.1K viewsMay 27, 2015
YouTubeADT
How to test a magnetic door switch for an alarm
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How to test a magnetic door switch for an alarm
27.8K viewsJan 25, 2021
YouTubeecologicaltime
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
4:34
Find in video from 03:14Installing the Contact I
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
25.1K viewsAug 24, 2022
YouTubeAlarm System Store
ADT Home Security Systems: How to identify the Model Number of your panel
5:21
ADT Home Security Systems: How to identify the Model Number of y…
617.5K viewsSep 22, 2015
YouTubeADT
How to set up your ADT Door/Window Sensors
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How to set up your ADT Door/Window Sensors
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How to Install a Ring Home Alarm Security System
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How to Install a Ring Home Alarm Security System
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Konnected Alarm Panel Pro alarm system conversion kit installation demo with SmartThings
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Konnected Alarm Panel Pro alarm system conversion kit installation …
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TELUS | How to install your Door and Window Sensor
1:19
TELUS | How to install your Door and Window Sensor
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YouTubeTELUS
Complete Wiring Guide for Paradox Home Security Alarm Panel
7:22
Complete Wiring Guide for Paradox Home Security Alarm Panel
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0:18
DIY Break-Contact Alarm | Simple Home Security Hack You Can Buil…
3.2K views3 months ago
YouTubeAmanitto Crafts
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Shop security alarm contacts

Sponsored
About our ads
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
358
$11.66
7939WG-WH - Ademco Surface Mount Contacts (White)
Amazon.com
$27.66
1078W-N Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$27.66
1078W-N Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$8.70
1085T-N Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$8.70
1085T-N Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$23.90
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$23.90
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$22.95
1082TW-M Edwards Sentrol Surface Mount Contact W/Terminals
Valin Process Control Solutions
$22.95
1082TW-M Edwards Sentrol Surface Mount Contact W/Terminals
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$74.27
1076CW-M Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$78.96
1076CD-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$55.46
1076D-G Edwards Sentrol 1 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
134
Free shipping
$52.90
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
$11.60
1085T-M Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$11.60
1085T-M Edwards Sentrol Surface Screw Mount Contact W/Terminals
Valin Process Control Solutions
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
14
$15.69
Bnafes 4Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch White
Amazon.com
$590.61
2707AD-L Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$590.61
2707AD-L Edwards Sentrol High Security Magnetic Contact
Valin Process Control Solutions
$92.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$92.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$164.00
Edwards 1076H-N Recessed Steel Door Contact With Wire Leads 1 Diameter High Security SPDT Biased For Higher Security 1/2 Gap Single Pole-Double Throw White
B and H Depot
$164.00
Edwards 1076H-N Recessed Steel Door Contact With Wire Leads 1 Diameter High Security SPDT Biased For Higher Security 1/2 Gap Single Pole-Double Throw White
B and H Depot
$13.75
Interlogix Magnetic Contact Surface Mount W/ Terminals For Security, 1085T-N UL
eBay
Free shipping
$13.75
Interlogix Magnetic Contact Surface Mount W/ Terminals For Security, 1085T-N UL
eBay
$99.00
GE Edwards 1076CH-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, Higher Security, Biased For Higher Security Applications, Single
Keyless Access Locks
$99.00
GE Edwards 1076CH-N Recessed Steel Door Contact With Wire Leads, 3/4" Diameter, Higher Security, Biased For Higher Security Applications, Single
Keyless Access Locks
$15.99
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
18
$15.99
$16.99
GAGALOR NO&NC 3 Wires Magnetic Garage Door Contacts Heavy Duty Alarm Switch Sensor For Roller Shutter With Adjustable Bracket
Amazon.com
$130.00
GE Security 2507A-L Surface Mount Aluminum Housing Contact W/ Armored Cable
Keyless Access Locks
$130.00
GE Security 2507A-L Surface Mount Aluminum Housing Contact W/ Armored Cable
Keyless Access Locks