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  • System Sensor 4WT-B 4-wire, photoelectric i3 smoke detector with a 135 Degree fixed thermal sensor

    Smoke Alarm, Detection Method Photoelectric, No Interconnection Capability, Power Source 12/24 VDC, Four-Wire, Visual Alert Red LED, Diameter 5-19/64 In, Height 2 In, Digital Readout No, Battery Backup No, Features Removable Detector Cover and Chamber, Built-In Remote Maintenance Signaling, Drift Compensation and Smoothing Algorithms, Thermal Sensor, Hush Button No, Locking Pin No, Operating Temp. 32 Degrees to 120 Degrees F, Standards UL, CSFM, Includes Base

    • ASIN: B0015QE0HM
    • Brand: System Sensor
    • ASIN: B0015QE0HM
    • UPC: 783863017629
    • Part No: 4WT-B

  • SYSTEM SENSOR Smoke Alarm, 12/24 VDC, 4-Wire, w/Base

    Smoke Alarm, Detection Method Photoelectric, No Interconnection Capability, Power Source 12/24 VDC, Four-Wire, Visual Alert Red LED, Diameter 5-19/64 In. , Height 2 In. , Digital Readout No, Battery Backup No, Features Removable Detector Cover and Chamber, Built-In Remote Maintenance Signaling, Drift Compensation and Smoothing Algorithms, Hush Button No, Locking Pin No, Operating Temp. 32 Degrees to 120 Degrees F, Standards UL, CSFM, Includes Base, Manufacturers Length 3 yr.

    • ASIN: B0041XA1DI
    • Brand: System Sensor
    • ASIN: B0041XA1DI
    • UPC: 670875922051
    • Part No: 4W-B

  • First Alert Smoke Detector Alarm | Hardwired with Backup Battery, 6-Pack, BRK 9120B6CP

    This 6-pack of First Alert hardwired smoke alarms includes a 9-volt battery backup that continues to protect you in the event of a power failure. The detector features an ionization sensor for detection of smoke and fast-flaming fires, as well as a loud, 85-decibel alarm. One button silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects smoke. The latching alarm indicator automatically identifies which unit initiated the alarm, even after the conditions that set off the alarm have subsided. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Connect it to compatible BRK or First Alert alarms within a single-family residence. When one alarm is triggered, all connected alarms will sound.

    • ASIN: B000KKHWLU
    • Color: White
    • Brand: First Alert
    • ASIN: B000KKHWLU
    • UPC: 029054121134
    • Part No: 9120B6CP

  • 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.

    • ASIN: B003S1NPIC
    • Brand: DSC
    • ASIN: B003S1NPIC
    • Part No: FSA-410BST

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

    Photoelectric Smoke Detector with 135° F Heat Sensor, 12 or 24V DC, Wire-In, 4-Wire, Size: 5.50" Diameter, 1.80" Depth, Color: White.

    • ASIN: B0006ZKVFS
    • Brand: Napco
    • ASIN: B0006ZKVFS
    • UPC: 785026033804
    • Part No: FW-4

  • First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Hardwired with Battery Backup, BRK SC7010B

    The First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide Alarm includes a battery backup so that it keeps monitoring safety even if there’s a power failure. It’s designed for residential use as well as for institutional locations such as hospitals, hotels, dorms, and multiple-family dwellings. This alarm is interconnectable and can be linked with up to 18 compatible devices (up to 12 smoke alarms and 6 compatible devices like bells, horns, and repeaters) so that when one triggers, all alarms sound. This alarm emits a loud, spread-spectrum 85-decibel alarm designed to be heard even by those with some hearing issues. In addition to electrochemical CO-sensing technology, the detector also features a photoelectric smoke sensor that can help detect slow smoldering fires. One button silences any nuisance alarms, and also tests detector functions, while lights indicate if the alarm detects smoke or carbon monoxide. The latching alarm indicator automatically identifies which unit initiated the alarm, even after the conditions that set off the alarm have subsided. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Hook up to AC power with the “quick-connect" wiring harness for easy installation.

    • ASIN: B0080I9TJ2
    • Color: White
    • Brand: First Alert
    • ASIN: B0080I9TJ2
    • UPC: 029054022806
    • Part No: SC7010B

  • Kidde Firex Hardwire Smoke Detector with 9V Battery Backup and Front Load Battery Door | Model I4618AC

    Ac/dc direct wire smoke alarm with battery backup front access battery door simplifies changing batteries interconnect able with up to 18 Firex devices 85 decibel alarm model#: I4618AC.

    • ASIN: B001XQ5VHW
    • Color: Multi
    • Brand: Kidde
    • ASIN: B001XQ5VHW
    • UPC: 047871075812
    • Part No: 21007581

  • Smoke Detector and Fire Alarm 4 Pack Photoelectric Sensor Smoke Alarms Easy to Install Fire Alarm With UL Listed, Light Sound Warning, Test Button,9V Battery Included Fire Safety for Home Hotel School

    Complete Home Protection: Working smoke smoke detector cut the risk of dying in a home fire by 50%, and that's important because a home fire starts every 83 seconds! The faster you know about a fire, the faster you can escape from the fire. 4 Packs Photoelectric Smoke Alarm This unit is a photoelectric smoke alarm. The photoelectric technology ,it is more sensitive in detecting slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames. This smoke alarm dose not contain any radioactive material.Smoke alarms should be installed in every room (except the bathroom ),finished attics and basements, making sure the people in the home will be able to hear and respond to the alarm sound. Applicable to all kinds of places:The Photoelectric Smoke and Fire Alarm is applicable to Company, Factory, Hospital,Shopping Mall, Hotel, School, Housing,Warehouse,Etc. Specification Comply with:UL217&CAN/ULC-S531 1.Material: Fire-Retardant ABS V0 Level 2.Power: DC 9V battery operated (1 year battery included) 3.Photoelectric chamber for early detection from all directions 4.Loud>85dB(A)alarm signal @3M 5.Flash alarm indicator(red LED) 6.Low battery signal alarm 7.Test button for easy recommended weekly testing 8.Safety clip feature,not allo...

    • ASIN: B07FR5FGR3
    • Color: White
    • Brand: SITERWELL
    • ASIN: B07FR5FGR3
    • UPC: 721047998999

  • Interlogix 541NCSXT 4w photo/heat temp sounder

    Designed for connection to an alarm panel that accepts 4-wire fire inputs, the Interlogix ESL 4-Wire Smoke and Heat Detector (with Sounder) integrates reliable, self-diagnostic smoke and heat detection into your security system. As part of the 541 Series, the photoelectric detector features drift compensation and more to enhance performance and reduce false alarms. This model also offers a built-in 85dB audio alarm (sounder). The combination smoke/heat detector offers superior protection compared to standard detectors, because it detects fire in three different ways: smoke detection, fixed heat detection, and rate-of-rise heat detection. Fixed temperature detectors trigger a fire alarm when the ambient temperature reaches a specific temperature. Rate-of-rise detectors trigger an alarm when the ambient temperature quickly rises. Combination detectors, like this unit, use both technologies. The detector uses drift compensation to increase the amount of time between cleanings. Drift compensation automatically adjusts the detector's sensitivity as it gets dirty with time. When the detector finally needs cleaning, you can easily replace its optical chamber and continue relying on the unit without worry. 500 Series smoke detectors work on the photoelectric light-scattering principle. A...

    • ASIN: B0078840C6
    • Color: 2.2999999999999998
    • Brand: Interlogix
    • ASIN: B0078840C6
    • UPC: 046188094738
    • Part No: 541NCSXT

  • KIDDE DIRECT WIRE IONIZATION SMOKE DETECTOR, AC/DC

    • ASIN:
    • Model: 21006378
    • Color: White
    • Size: 11 Pack

  • BRK Brands, Inc 9120B Detector Smoke 120V Ac

    • ASIN:
    • Model: 9120B
    • Color: White
    • Size: 66 Pack