21st Century Distributing

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2026061101

Security | Sensors/Detectors
     Sort by: Category | Item | Price ↓ | Price ↑       31 Items

Ring B07ZB2RNTW | Ring Contact Sensor - 2 Pack*

Model: B07ZB2RNTW

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OUT OF STOCK
 
Ring 4SD1SZ-0EN0 | Alarm Contact Sensor V2 700 Series*

Model: B07ZB2QLC2

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IN STOCK
 
Ring 4SD2SZ-0EN0 | Ring Contact Sensor - 2 Pack*

Model: B07ZB2RNTW

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IN STOCK
 
Ring 4SD6SZ-0EN0 | Ring Contact Sensor (6 Pack)*

Model: B07ZPLN8R3

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IN STOCK
 
Ring B07M943G7L | Alarm Flood/Freeze Sensor Each*

Model: B07M943G7L

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IN STOCK
 
Ring 4SP1SZ-0EN0 | Wireless Motion Detector V2*

Model: B07ZB2QF2V

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On Order from Vendor.
 
Ring B09BY4LKKG | Alarm Glass Break Sensor (2 Pack)*

Model: B09BY4LKKG

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IN STOCK
 
2GIG DW30-345 | Outdoor Wireless Contact Sensor

Model: 2GIG-DW30-345

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IN STOCK
 
Ion Security PLUNGER2GIG | 2GIG Compatible Concealed Wireless Door Sensor*

Model: Plunger-2GIG

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IN STOCK
 
2GIG DWR100-345 | Recessed Door Window Contact Sensor 345MHz

Model: 2GIG-DWR100-345

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IN STOCK
 
2GIG DW100-345 | 345S Wireless Door/Window Contact Sensor

Model: 2GIG-DW100-345

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IN STOCK
 
2GIG DW10E-900 | E+ Extended Range Indoor Door/Window Sensor

Model: 2GIG-DW10E-900

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IN STOCK
 
2GIG DW30E-900 | E+ Extended Range Outdoor Wireless Contact Sensor

Model: 2GIG-DW30E-900

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IN STOCK
 
2GIG FT100-345 | Wireless Flood/Temp Sensor White Probe Style

Model: 2GIG-FT100-345

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IN STOCK
 
2GIG CO100-345 | Carbon Monoxide Alarm 345MHz

Model: 2GIG-CO100-345

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IN STOCK
 
Alarm.com ADC-SWV100 | Smart Water Valve* SPECIAL ORDER

Model: ADC-SWV100

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Special Order
Prices on Special Order items should be treated as a guide.
Please call/email to confirm pricing before quoting
any Special Order items.
See more info on Special Orders
 
2GIG FT6E-345 | Encrypted Water Leak Detector*

Model: 2GIG-FT6E-345

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IN STOCK
 
2GIG FTD100-345 | Wireless Dual Flood Sensing Water and Temperature Sensor 345MHz

Model: 2GIG-FTD100-345

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IN STOCK
 
2GIG GB100-345 | 345S Wireless Glass Break Detector (Replaces GB1E-345 / GB1-345))

Model: 2GIG-GB100-345

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IN STOCK
 
2GiG GB1E-900 | E+ Extended Range Glass Break Detector

Model: 2GIG-GB1E-900

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IN STOCK
 
2GIG FF100-345 | Firefighter Smoke And Co Detector Listener 345MHz

Model: 2GIG-FF100-345

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IN STOCK
 
2GIG PIR100-345 | 345S Passive Infrared Motion Detector

Model: 2GIG-PIR100-345

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IN STOCK
 
2GIG PIR1E-900 | E+ Extended Range Passive Infrared Motion Detector

Model: 2GIG-PIR1E-900

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IN STOCK
 
2GIG TILT100-345 | 345S Wireless Tilt Sensor

Model: 2GIG-TILT100-345

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IN STOCK
 
Resolution Products RE211P | 2Gig Compatible PIR Motion Pet Immune

Model: RE211P

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IN STOCK
 
2GIG CO8E-345 | Wireless Carbon Monoxide Detector with Encrypted Signal*

Model: 2GIG-CO8E-345

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IN STOCK
 
2GIG SMKT100-345 | Smoke / Heat / Freeze Detector (replaces SMKT8-345)

Model: 2GIG-SMKT100-345

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IN STOCK
 
2GIG SMKT-900 | E+ Extended Range Smoke/Heat/Freeze Detector

Model: 2GIG-SMKT-900

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IN STOCK
 
Google/Nest BSMCO600NVACBX1 | SC5 Wired Smart Smoke & Carbon Monoxide Alarm (replaces S3005PWLUS)

Model: BSMCO600NVACBX1

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IN STOCK
 
Google/Nest BSMCO600NVBX1 | SC5 Battery Smart Smoke & Carbon Monoxide Alarm SPECIAL ORDER

Model: BSMCO600NVBX1

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Special Order
Prices on Special Order items should be treated as a guide.
Please call/email to confirm pricing before quoting
any Special Order items.
See more info on Special Orders
 
Ring 4SS1S8-0EN0 | Alarm Smoke & CO Listener*

Model: B07M93Z1NT

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OUT OF STOCK
 

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Fax: 919.779.8994
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3:15 AM Thursday, June 11, 2026
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