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Product Type

Smoke Alarm (77)
Battery (2)
Relay (3)
CO Alarm (1)
Heating Valve (1)

Brand

BRK (41)
Kidde (16)
System Sensor (27)

Depth (Inches)

2" (1)

Diameter (Inches)

5" (1)

Sensor Type

Electrochemical (14)
Heat (1)
Ionization (15)
Photoelectric (20)

Battery Type

3V Lithium Ion (2)
9V Alkaline (8)
AA (7)
AA Alkaline (6)
Lithium (19)

Review Score

(6)
(2)

Price Range

$1 to $5 (3)
$5 to $10 (2)
$10 to $15 (4)
$15 to $20 (5)
$20 to $25 (4)
$25 to $30 (7)
$30 to $35 (2)
$35 to $40 (6)
$40 to $45 (5)
$45 to $50 (1)
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Product Image of SMI100-AC Interconnectable Ion Smoke Alarm w/ Battery Backup
$13.56 each
In Stock
Get 4,268 by Tomorrow, Jun 5
In Stock
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Product Image of 4-Wire Duct Smoke Detector, 4-wire, Photoelectric, Low-flow (24/120V), D4120
$147.09 each
In Stock
Get 367 by Tomorrow, Jun 5
In Stock
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Product Image of SMACFEX Hard-Wired Firex Smoke Alarm (120 V) with AA Backup Battery
$29.72 each
In Stock
Get 176 by Tomorrow, Jun 5
In Stock
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Product Image of 3' Sampling Tube w/ Holes, DST3
$13.80 each
In Stock
Get 113 by Tomorrow, Jun 5
In Stock
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Product Image of SMICO100 Battery-Operated 2-in-1 Smoke & Carbon Monoxide Alarm
$35.82 each
In Stock
Get 231 by Tomorrow, Jun 5
In Stock
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Product Image of SMAC10YFEX Hard-Wired Firex Smoke Alarm (120 V) with 10-Year Backup Battery
$35.67 each
In Stock
Get 24 by Tomorrow, Jun 5
In Stock
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Product Image of KA-F2 / KA-B2 Adapter Clam Shell for KA-F Firex to Kidde / KA-B BRK to Kidde (2 Pack)
$4.97 each
In Stock
Get 446 by Tomorrow, Jun 5
In Stock
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Product Image of SMICO100-AC Interconnectable Ion Smoke & CO Alarm
$57.16 each
In Stock
Get 220 by Tomorrow, Jun 5
In Stock
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Product Image of 30CUA10-V Hard-Wired Carbon Monoxide and Photoelectric Smoke Alarm (120 V) w/ 10-Year Backup Battery
$73.54 each
In Stock
Get 57 by Tomorrow, Jun 5
In Stock
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Product Image of Duct Smoke Detector (24/120V), D4120W
$221.65 each
In Stock
Get 33 by Tomorrow, Jun 5
In Stock
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Product Image of SMI105-AC Interconnectable Ion Smoke Alarm w/ 10-Year Battery Backup
$27.18 each
In Stock
Get 338 by Tomorrow, Jun 5
In Stock
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Product Image of 1.5' Sampling Tube, DST1.5
$10.86 each
In Stock
Get 54 by Tomorrow, Jun 5
In Stock
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Product Image of 900-CUAR Hardwired Smoke and Carbon Monoxide Alarm (120v) w/ AA Battery Backup
$59.13 each
In Stock
Get 46 by Tomorrow, Jun 5
In Stock
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Product Image of KA-F2 AC Plug-In Adapter for Retro Fit from Firex to Kidde
$4.97 each
In Stock
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Product Image of Multi-Signaling Accessory w/ Add on Strobe, RTS2-AOS
$167.51 each
In Stock
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In Stock
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Product Image of 5' Sampling Tube w/ Holes, DST5
$18.61 each
In Stock
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In Stock
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Product Image of SMI100 Battery-Operated Smoke Alarm
SMI100 Battery-Operated Smoke Alarm
SKU: 1046832
BRK
SKU: 1046832
Brand: BRK
(2)
$15.89 each
In Stock
Get 95 by Tomorrow, Jun 5
In Stock
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Product Image of 2-Wire Photoelectric Smoke Detector, 2W-B
$55.22 each
In Stock
Get 29 by Tomorrow, Jun 5
In Stock
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Product Image of Remote Test Station, RTS151
$49.21 each
In Stock
Get 61 by Tomorrow, Jun 5
In Stock
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Product Image of DETECT 30CUAR-V Combination Smoke & Carbon Monoxide Alarm, Hardwired w/ AA Backup Battery & Voice Alerts
$65.27 each
In Stock
Get 89 by Tomorrow, Jun 5
In Stock
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Product Image of Photoelectronic Low-Profile Plug-In Smoke Detector for Special Applications, 2D51
$80.76 each
In Stock
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Product Image of SMICO105-AC Interconnectable Ion Smoke & CO Alarm w/ 10-Year Battery Backup
$64.63 each
In Stock
Get 25 by Tomorrow, Jun 5
In Stock
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Product Image of 4-wire Duct Smoke Detector, Photoelectric, Sensor Only, D4S
$143.87 each
In Stock
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In Stock
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Product Image of Multi-Signaling Accessory, RTS2
Multi-Signaling Accessory, RTS2
SKU: RTS2-SYSTEM-SENSOR
System Sensor
SKU: RTS2-SYSTEM-SENSOR
$112.21 each
In Stock
Get 48 by Tomorrow, Jun 5
In Stock
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Product Image of SMCO210 10-Year Sealed Battery Smoke & CO Alarm
$43.55 each
In Stock
Get 82 by Tomorrow, Jun 5
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Product Image of SMI110 10-Year Sealed Battery Ionization Smoke Alarm
$24.99 each
In Stock
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Product Image of Key-remote Test/reset Station, RTS151KEY
$95.15 each
In Stock
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In Stock
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Product Image of HD135F Heat Alarm (120v) w/ 9v Battery Backup
$42.97 each
In Stock
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Product Image of KA-B2 AC Plug-In Adapter for Retro Fit from BRK to Kidde
$5.06 each
In Stock
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In Stock
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Product Image of 30CUDR-V AA Battery Operated Intelligent Ionization Smoke and Carbon Monoxide Alarm
$68.41 each
In Stock
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In Stock
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Product Image of SMCO100V-AC Interconnect Hardwire Smoke & CO Alarm w/  Battery Backup & Voice
$61.64 each
In Stock
Get 95 by Tomorrow, Jun 5
In Stock
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Product Image of 1' Sampling Tube for Duct Smoke Detectors, DST1
$9.15 each
In Stock
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In Stock
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Product Image of 10SDR Battery Operated Photoelectric Smoke Alarm w/ Photoelectric Sensor
$17.16 each
In Stock
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Product Image of SMCO500V Interconnect Battery-Operated Smoke & CO Alarm w/  Voice
$53.03 each
In Stock
Get 30 by Tomorrow, Jun 5
In Stock
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Product Image of GCO1 Combo Explosive Gas and Carbon Monoxide Alarm w/ Digital Display
$57.68 each
In Stock
Get 27 by Tomorrow, Jun 5
In Stock
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Product Image of End Cap for Metal Sampling Tube, P48-21-00 (Pack of 5)
$21.15 each
In Stock
Get 20 by Tomorrow, Jun 5
In Stock
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Product Image of SMICO110 10-Year Sealed Battery Ionization Smoke & CO Alarm
$42.97 each
In Stock
Get 104 by Tomorrow, Jun 5
In Stock
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Product Image of 10' Sampling Tube, DST10
$37.48 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
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Product Image of SM100V-AC Interconnect Hardwire Smoke Alarm w/ Battery Backup & Voice Alerts
$34.68 each
In Stock
Get 23 by Tomorrow, Jun 5
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Product Image of DETECT 20SDR Smoke Alarm, AA Battery Powered
DETECT 20SDR Smoke Alarm, AA Battery Powered
SKU: 21031447
Kidde
SKU: 21031447
Brand: Kidde
$25.47 each
In Stock
Get 43 by Tomorrow, Jun 5
In Stock
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Product Image of 30CUD10 Carbon Monoxide & Photoelectric Smoke Alarm w/ 10-Year Backup Battery
$62.34 each
In Stock
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Product Image of SC5 Hardwired Smart WiFi Smoke & Carbon Monoxide Alarm
SC5 Hardwired Smart WiFi Smoke & Carbon Monoxide Alarm
SKU: SMCO600NV-AC
BRK
SKU: SMCO600NV-AC
Brand: BRK
$129.99 each
In Stock
Get 21 by Tomorrow, Jun 5
In Stock
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Product Image of 4-Wire Photoelectric Duct Smoke Detector, DUCTSD
$183.27 each
In Stock
Get 8 by Tomorrow, Jun 5
In Stock
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Product Image of 20SD10 Battery Operated Ionization Smoke Alarm w/ Photoelectric Sensor
$30.82 each
In Stock
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Product Image of Photoelectric Plug-in Smoke Detector, 2151
$54.51 each
In Stock
Get 17 by Tomorrow, Jun 5
In Stock
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Product Image of Test Magnet, M02-04-00
Test Magnet, M02-04-00
SKU: M02-04-00
System Sensor
SKU: M02-04-00
$10.25 each
In Stock
Get 18 by Mon, Jun 8
In Stock
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Product Image of 2' - 4' Metal Sampling Tube for Smoke Detector, ST-3
2' - 4' Metal Sampling Tube for Smoke Detector, ST-3
SKU: ST-3-SYSTEM-SENSOR
System Sensor
SKU: ST-3-SYSTEM-SENSOR
$21.21 each
In Stock
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Product Image of 4' - 8' Metal Sampling Tube for Smoke Detector, ST-5
$26.56 each
In Stock
Get 6 by Tomorrow, Jun 5
In Stock
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