Best Seller
Radionics D292 4-Wire Smoke Sersor Detector Base, 6-Inch, White

Radionics D292 4-Wire Smoke Sersor Detector Base, 6-Inch, White

Radionics D292 4-Wire Smoke Sersor Detector Base, 6-Inch, White more

$22.50

go to store
Edwards Signaling - SDTRK4 - Remote Test/Reset Station, Key-Operated, Four-wire Duct Smoke (Grey) Detector SD-4WJ

Edwards Signaling - SDTRK4 - Remote Test/Reset Station, Key-Operated, Four-wire Duct Smoke (Grey) Detector SD-4WJ

The Edwards Signaling™ remote test/reset station easily monitors difficult-to-access duct smoke detectors. Keyed unit provides alarm testing and indication from a remote location. Use this test/reset station in conjunction with the Edwards Signaling... more

$23.46

go to store
Best Seller
Safety Technology International STI9706 Damage Stop Cover, White

Safety Technology International STI9706 Damage Stop Cover, White

Beam Smoke Damage Stopper Cover, Indoor, Outdoor, Color White, Material Steel, Mounting Surface, Width 95/16 In., Depth 4 In., Height 1013/16 In., For Use With Beam Smoke Detectors, Sensor Units, Features Wire Guard Helps Protect Costly Sensor Units of... more

$41.16

FREE shipping

go to store
SAFETY TECHNOLOGY INTERNATIONAL STI-9601 Smoke Detector Guard,Steel Wire,Flush

SAFETY TECHNOLOGY INTERNATIONAL STI-9601 Smoke Detector Guard,Steel Wire,Flush

Smoke Detector Guard, Open Back, Indoor, Color White, Material 9 ga. Coated Steel Wire, Mounting Flush, Width 8-1/4 In., Depth 2-3/4 In., Height 8-1/4 In., Diameter 9 In., For Use With Smoke Detectors, Operating Temp. -40 to 250 Degrees F, Standards... more

$26.87

go to store
SAFETY TECHNOLOGY INTERNATIONAL STI 9623 Wire Guard, Beam Smoke Damage Stopper

SAFETY TECHNOLOGY INTERNATIONAL STI 9623 Wire Guard, Beam Smoke Damage Stopper

Wire Guard, Color White, Material Steel, Width 6 In., Depth 6 In., Height 7-3/4 In., For Use With Beam Smoke Detector DS240 & DS241, Standards UL Listed to U.S. and Canadian Safety Standards, MEA Approved, Includes Anchors And Screws more

$33.78

go to store
System Sensor Honeywell D4120 4-Wire Photoelectric Duct Smoke Detector

System Sensor Honeywell D4120 4-Wire Photoelectric Duct Smoke Detector

System Sensor Honeywell D4120 more

$165.60 $123.44

FREE shipping

go to store
Firewolf Advanced Photoelectric Smoke Detector, 4-Wire (FW-4)

Firewolf Advanced Photoelectric Smoke Detector, 4-Wire (FW-4)

"ACCURATE PROTECTION FROM NAPCO! The Napco 4-wire smoke detectors more accurately detect all types of fires for performance superior to previous photoelectric detectors. They come in attractive, low-profile, baseless units with dual LEDs for excellent... more

$46.95

FREE shipping

go to store
DSC FSA-410BST Wired Photoelectric Smoke Detector (4-Wire with INT Sounder and Heat Detector)

DSC FSA-410BST Wired Photoelectric Smoke Detector (4-Wire with INT Sounder and Heat Detector)

DSC FSA-410BST wired photoelectric smoke detector (4-wire with into sounder color and heat detector), product Type - smoke detector, made in Czech Republic, manufactured by DSC. more

$34.31

go to store
Protech D4120 4-Wire Photoelectric Duct Smoke Detector

Protech D4120 4-Wire Photoelectric Duct Smoke Detector

The innovair flex D4120 duct smoke detectors provide superb immunity to false alarms and easy, labor saving installation options. Its flexible configurations allow an easy Replacement to any model, and its 2 to 1 sensor to power board offers cost... more

$119.00

FREE shipping

go to store
Dsc Fsa-410brst Detector

Dsc Fsa-410brst Detector

DSC FSA-410BRST 4-wire photoelectric smoke detector with integral sounder, auxiliary relay and heat detector. more

$57.44

go to store
4 Most Innovations SS0104 Smoke Detector Tester Smoke Sprayer

4 Most Innovations SS0104 Smoke Detector Tester Smoke Sprayer

4 MOST INNOVATIONS SS0104 Smoke Sprayer, Smoke Detector Tester more

$32.37

go to store
First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

Features a wireless connection so when 1 alarm is triggered all alarms will sound. Wireless interconnect technology eliminates the need for an electrician to pull wires. Reliable radio frequency communication between alarms creates a secure fire safety... more

$41.26

FREE shipping

go to store

Lowe's

(25,000+)
FireX Hardwired 120-Volt Inter-Connectable Ionization Smoke Alarm with Battery Backup (4-Pack)

FireX Hardwired 120-Volt Inter-Connectable Ionization Smoke Alarm with Battery Backup (4-Pack)

Free Shipping on Over 500K Items!

The Walter Kidde Hardwire Smoke Alarms (4-Pack) alert you to potential fire dangers by detecting the presence of smoke and heat in the atmosphere. These alarms are equipped with 2 pre-stripped wires for easy installation and have a 9-Volt battery... more

$54.00

FREE shipping

go to store
7-3/4 4-Wire Duct Detector, Edwards Signaling, SD-SJ

7-3/4 4-Wire Duct Detector, Edwards Signaling, SD-SJ

Duct Detector, 4-Wire, Surface Mounting, Depth (In.) 1-7/8, Height (In.) 5.45, Length (In.) 7-3/4, Ambient Temp. Limits (F) -4 to 158, Air Velocity (FPM) 100 to 4000, Standards UL, ULC, CSFM, For Use With SD-CJ more

$99.83

go to store
Kidde 09145 - 9 volt Battery Operated 4" Smoke Alarm with Standard Base Plate (Battery Included) (0914E i9040)

Kidde 09145 - 9 volt Battery Operated 4" Smoke Alarm with Standard Base Plate (Battery Included) (0914E i9040)

Kidde 9 volt - Battery Operated - 4" - Fire Sentry | Kidde Smoke Alarm / Detector with Standard 5" Base Plate (Battery Included) (0914E i9040 09145) more

$6.69

go to store
Kidde 07624 - 120 volt Carbon Monoxide & Photoelectric Smoke Alarm with Battery Backup (9V Battery Included) (21007624 KN-COPE-I)

Kidde 07624 - 120 volt Carbon Monoxide & Photoelectric Smoke Alarm with Battery Backup (9V Battery Included) (21007624 KN-COPE-I)

Kidde 120 volt - AC - Wire-in - Smart Hush | Kidde Firex Combination Carbon Monoxide & Photoelectric Smoke Alarm / Detector with Front Load Battery Backup & Verbal Warning (9V Battery Included) (21007624 KN-COPE-I 07624) more

$51.39

go to store
First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

Features a wireless connection so when 1 alarm is triggered all alarms will sound. Wireless interconnect technology eliminates the need for an electrician to pull wires. Reliable radio frequency communication between alarms creates a secure fire safety... more

$41.26

FREE shipping

go to store

Lowe's

(25,000+)
Kidde Direct Wire Ionization Smoke And Carbon Monoxide Detector With 2 Aa Battery Backup 21006377-N

Kidde Direct Wire Ionization Smoke And Carbon Monoxide Detector With 2 Aa Battery Backup 21006377-N

$72.99 $58.66

go to store
Kidde Firex Direct Wire Battery Back Up Smoke Detector Ac/Dc 21007582

Kidde Firex Direct Wire Battery Back Up Smoke Detector Ac/Dc 21007582

$17.99 $14.55

go to store
Kidde Direct Wire Ionization Smoke Detector With 9-Volt Battery Backup, Ac/Dc 21006376

Kidde Direct Wire Ionization Smoke Detector With 9-Volt Battery Backup, Ac/Dc 21006376

$16.99 $13.42

go to store
LS&S HI-1008-4 Silent Call Smoke Detector with Transmitter - 1 Each

LS&S HI-1008-4 Silent Call Smoke Detector with Transmitter - 1 Each

.auto-style5 1 { font-family: Georgia, "Times New Roman", Times, serif; font-size: medium; color: #00060C; **LS&S Silent Call Smoke Detector with Transmitter - 1 EachThe New Silent Call Smoke Detector is simple to install and battery powered. If the... more

$157.91

FREE shipping

go to store
Fireray 2000, Projected Beam Smoke Detector, 33 to 330-feet

Fireray 2000, Projected Beam Smoke Detector, 33 to 330-feet

The FE-2000 is a 4-wire, 12/24 VDC projected beam type smoke detector designed to be used with a listed 4-wire control panel. Listed to U.L. 268, the FE-2000 consists of a transmitter, receiver and control box. The detector operates between a range of... more

$878.08 $592.70

go to store
USI MDSCN111 Smoke, Fire, Carbon Monoxide & Natural Gas Detector

USI MDSCN111 Smoke, Fire, Carbon Monoxide & Natural Gas Detector

The new four in one alarm uses a single sensor to detect both carbon monoxide and natural gas and protects against both fast flaming and slow smoldering fires. The microprocessor intelligence provides superior nuisance alarm resistance, along with... more

$46.99

FREE shipping

go to store

Homelectrical

(1,000+)
Fireray 5000, Reflective, Motorized Auto-Align Beam Smoke Detector

Fireray 5000, Reflective, Motorized Auto-Align Beam Smoke Detector

The FE-5000 is a U.L. 286-listed projected beam smoke detector that consists of up to four integrated transmitter, receiver detector heads and single low level remote control unit. The detector operates between a range of 26.25 ft. to 330 ft. more

$1,062.25 $717.01

go to store
USI MICN109 Combo Smoke Detector, Fire, Carbon Monoxide & Natural Gas Alarm

USI MICN109 Combo Smoke Detector, Fire, Carbon Monoxide & Natural Gas Alarm

The Combination Smoke Alarm features four LED indicators for power, smoke, carbon monoxide and natural gas indication. The fire detector emits a loud 85 decibel alarm to be easily heard in case of an emergency. Alarm incorporates a self-diagnostic... more

$34.95

FREE shipping

go to store

Homelectrical

(1,000+)
Xintex SS-775 Smoke Detector & Fire Alarm - 9V Battery Powered

Xintex SS-775 Smoke Detector & Fire Alarm - 9V Battery Powered

Smoke Detector All vessels 26 feet or more in length with accommodation spaces intended for sleeping shall be equipped with a single station smoke alarm that is listed to UL217 RV for recreational vehicles... Dimensions: 4.25 Diameter, 1.75 height... more

$14.50

go to store
F220-B6E 4 Wire Base with Eol Relay

F220-B6E 4 Wire Base with Eol Relay

The F220-B6 Detector Bases work with the F220 Photoelectric Smoke and Heat Detectors. The F220-B6 is a 12 V or 24 V base for two-wire loops. The other bases in this family are V bases for four-wire loops. F220-B6E 4 Wire Base with Eol Relay is a video... more

$24.04 $12.39

go to store

PROVANTAGE

(50,000+)
FCP-500-CK Inv SMK CO 4 Wire White Kit

FCP-500-CK Inv SMK CO 4 Wire White Kit

The FCP-500 Conventional Flush-mount Detectors are UL Listed, open area photoelectric smoke detectors. Use them with commercial fire protective signaling systems and household fire warning systems (see NFPA 72, the National Fire Alarm Code). , The... more

$513.48 $269.63

go to store

PROVANTAGE

(50,000+)
SideKick SC-KIT-4 Deluxe System

SideKick SC-KIT-4 Deluxe System

"Phone, Doorbell and Smoke Detector NotificationThis multi-notification system notifies you to the doorbell, telephone and when the smoke detector has become activated. It plugs into a wall outlet and features a flashing strobe light and indicator... more

$449.99

go to store
Safety Technology International White Smoke Detector Guard

Safety Technology International White Smoke Detector Guard

Smoke Detector Guard, Open Back, Indoor, Color White, Material 9 ga. Coated Steel Wire, Mounting Surface, Width 81/4 In., Depth 41/4 In., Height 81/4 In., Diameter 9 In., For Use With Smoke Detectors, Operating Temp. 40 to 250 Degrees F, Standards UL ,... more

$27.55

go to store
ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder (541NCSXT), 2.2999999999999998

ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder (541NCSXT), 2.2999999999999998

Designed for connection to an alarm panel that accepts 4-wire fire inputs, the FireWorx 4-Wire Smoke & Heat Detector (with Sounder) integrates smoke and heat detection into your security system. This model offers a built-in 85dB audio alarm (sounder).... more

$59.56

FREE shipping

go to store
Firewolf Advanced Photoelectric Smoke (Grey) Detector, 4-Wire

Firewolf Advanced Photoelectric Smoke (Grey) Detector, 4-Wire

Firewolf Advanced Photoelectric Smoke Detector, 4-Wire more

$48.40

FREE shipping

go to store
Safety Technology International White Smoke Detector Guard

Safety Technology International White Smoke Detector Guard

Smoke Detector Guard, Open Back, Indoor, Color White, Material 9 ga. Coated Steel Wire, Mounting Flush, Width 7 In., Depth 31/4 In., Height 7 In., Diameter 7 In., For Use With Smoke Detectors, Operating Temp. 40 to 250 Degrees F, Standards UL, Includes... more

$23.76

go to store
ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder & EOL Relay (541NCSXTE), As Shown

ESL by Interlogix 4-Wire Smoke & Heat Detector with Sounder & EOL Relay (541NCSXTE), As Shown

Designed for connection to an alarm panel that accepts 4-wire fire inputs, the FireWorx 4-Wire Smoke & Heat Detector (with Sounder & EOL Relay) integrates smoke and heat detection into your security system. This model offers a built-in 85dB audio alarm... more

$71.95

FREE shipping

go to store
Safety Technology International Natural Smoke (Grey) Detector Guard

Safety Technology International Natural Smoke (Grey) Detector Guard

Smoke Detector Guard, Open Back, Indoor, Color Natural, Material Stainless Steel Wire, Mounting Flush, Width 7 In., Depth 31/4 In., Height 7 In., Diameter 73/4 In., For Use With Smoke detectors, Operating Temp. 40 to 250 Degrees F, Standards UL CSFM... more

$41.75

FREE shipping

go to store
Safety Technology International Natural Smoke (Grey) Detector Guard

Safety Technology International Natural Smoke (Grey) Detector Guard

Smoke Detector Guard, Open Back, Indoor, Color Natural, Material Stainless Steel Wire, Mounting Flush, Width 81/4 In., Depth 45/8 In., Height 81/4 In., Diameter 83/4 In., For Use With Smoke detectors, Operating Temp. 40 to 250 Degrees F, Standards UL... more

$36.00

FREE shipping

go to store
Base B112Lp

Base B112Lp

4 wire base with Form A&C relay contacts, for use with 100 Series smoke detectors more

$38.35

go to store
Usi Electric Direct Wire Ionization Smoke, Carbon (Black) Monoxide, And Natural Gas Detector With 9-Volt Bat

Usi Electric Direct Wire Ionization Smoke, Carbon (Black) Monoxide, And Natural Gas Detector With 9-Volt Bat

This AC wired-in smoke, CO, and natural gas detector interconnects with up to 24 compatible devices to provide complete protection inside any structure. It's listed to UL2034 standards. Features Ionization Sensor Microprocessor Virtually Eliminates... more

$53.73

FREE shipping

go to store
System Sensor (Honeywell) - D4120 - System Sensor InnovairFlex D4120 Smoke (Grey) Detector - Photoelectric

System Sensor (Honeywell) - D4120 - System Sensor InnovairFlex D4120 Smoke (Grey) Detector - Photoelectric

Main Features Sensing Technology: Photoelectric Status Indicators: LED, Switch - One easy-access Test/Reset button, Alarm Input Voltage Range: 20 V DC to 29 V DC, 24 V AC, 120 V AC Height: 14.4 Width: 5.0 Depth: 2.5 Marketing Information The... more

$151.20

FREE shipping

go to store
Air Products And Controls Clear Plastic Smoke (Grey) Detector,14-41/64,

Air Products And Controls Clear Plastic Smoke (Grey) Detector,14-41/64,

Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 18mA 230VAC, 32mA 115VAC, 190mA 24VAC, 68mA 24VDC, Depth (In.) 21/4, Height (In.) 41/2, Length (In.) 131/2, Width (In.) 21/4, Ambient Temp. Limits (F) 32 to 140 Degrees ,... more

$110.94

FREE shipping

go to store

More information about Safety & Security

Best prices on 4 wire smoke detector in Safety & Security online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.