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Reliable Water Leak Detectors for Precise Leak Detection and Protection Systems

Protect your property from plumbing failures, appliance leaks, and water heater issues with our range of water leak detectors. This collection includes advanced water leak detection solutions such as water alarm systems, flood prevention switches, surface sensors, and automatic shutoff systems designed to provide fast, accurate alerts before damage occurs.

Each leak detector is engineered for dependable performance and easy installation, making them ideal for homes, commercial buildings, and mechanical environments. From water heater leak detection to wired and wireless flood prevention switches, these devices monitor critical areas and deliver real-time protection to prevent costly repairs and downtime.

Find the right water leak detector or alarm system to safeguard your property with confidence.

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    Plunger-Style Door Contact Sns

    NETWORK TECHNOLOGIES
    In stock

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    High-Definition Wired Day/Nigh

    NETWORK TECHNOLOGIES
    In stock

    High-Definition Wired Day/Nigh Notes: Verify application needs and any compliance requirements for your facility or project.

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    Terminating Plug For Rs485 Cas

    NETWORK TECHNOLOGIES
    In stock

    Terminating Plug For Rs485 Cas Application Intended for production support and bench work. built for consistent day-to-day use, helping teams keep ...

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    Spot Liq Detector With Built-I, E-SLDO-A

    NETWORK TECHNOLOGIES
    In stock

    Spot Liq Detector With Built-I, E-SLDO-A Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.

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    Probe-Style Temp/Humidity/Dew, E-STHSM-E7

    NETWORK TECHNOLOGIES
    In stock

    NETWORK TECHNOLOGIES component for professional use. Notes: Verify application needs and any compliance requirements for your facility or project.

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    Self-Adhesive Clips For Liq/Ch, E-CLP100-LD

    NETWORK TECHNOLOGIES
    In stock

    NETWORK TECHNOLOGIES adhesive/sealant for professional use. Notes: Confirm fit, compatibility, and any site-specific requirements prior to orderin...

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    Flood Prevention Switch, 3/4" Pipe Valve

    DIVERSITECH
    In stock

    Mfr # CS-2 Item Flood Prevention Switch Connection Type Wired Material Plastic ...

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    $32.76
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    Lead Free Water Detector Shutoff, 3/4 in.

    WATTS
    In stock

    Mfr #: LFWDS-SP-R WATER DETECTOR SHUTOFF: Designed for use with electric water heaters, the Watts FloodSafe Lead-Free Water Detector Shutoff prote...

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    $956.34
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    Flood Prevention Switch, Wired Connection

    DIVERSITECH
    In stock

    Mfr # CS-3 Item Flood Prevention Switch Connection Type Wired Material Plastic ...

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    $8.70
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    Water Surface Sensor-Unsupervised, 15 ft.

    WINLAND ELECTRONICS
    In stock

    Mfr # W-S-U Item Water Surface Unsupervised Sensor For Use With WaterBug(R) Accessory Type ...

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    $40.32
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    $211.68
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    Water Alarm with Security System Tie In

    FLOODMASTER
    In stock

    Mfr # RS-096 Item Water Detection System Amps 0.067 Voltage 120 V AC F...

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    $211.68
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    Detection/Alarm Shutoff System, 120VAC

    FLOODMASTER
    In stock

    FLOODMASTER Water Detector Categorized under Water Detectors, this water detector is selected for practical installation and ongoing service needs....

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    $162.40
    $432.18
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    $66.70
    $171.36
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    Battery Operated Water Alarm System

    FLOODMASTER
    In stock

    FLOODMASTER Water Detector Categorized under Water Detectors, this water detector is selected for practical installation and ongoing service needs....

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    $66.70
    $171.36
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    Water Heater Leak Detection System, 3/4In

    FLOODMASTER
    In stock

    Mfr #: RS-094-3/4 Price For: Each Amps: 0.127 Voltage: 120VAC Max. Pressure: 80 psi Power Cord Length: 12 ft. Relay Output: 12 to 24 Volts, 0.25 ...

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    $401.94
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    WaterBug® WB200 Unsupervised Water Detection System, Hardwire Powered

    WINLAND ELECTRONICS

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    Level Sense 15 Feet Water Level Float Switch with Mounting Brackets

    LEVEL SENSE
    In stock

    Mfr # LS-FLOAT-KIT Material Polypropylene Item Weight 4.6 ounces Power Requirements ...

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    $31.49
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    Flo Indoor Smart Water Leak Detector

    MOEN
    In stock

    Mfr #: 920-006 MAXIMIZE YOUR PROTECTION: Add the 6-ft Leak Sensing Cable accessory to your Flo by Moen Smart Water Detector, sold separately, to e...

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    WaterBug Unsupervised Water Detection System, 9V Battery Operated

    WINLAND ELECTRONICS
    In stock

    Barcode/UPC/EAN: 82075104708 Intended for field service tasks and on-site replacement. chosen for predictable fit and professional handling, hel...

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    $304.91
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    $79.32
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    Probe-Style Temp Sensor 7 Ft

    NETWORK TECHNOLOGIES
    In stock

    Probe-Style Temp Sensor 7 Ft Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.

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    $79.32
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    $864.35
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    3/4" Smart Home Water Monitoring And Leak Detection System

    MOEN
    In stock

    Mfr #: 900-001 AUTOMATIC SHUTOFF: Learns your home’s water usage patterns to identify abnormalities like running water or small leaks and will aut...

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    $864.35
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    $864.35
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    $243.17
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    $243.17

    FloodMaster Battery-Powered Water Leak Detection & Alarm System

    RELIANCE DETECTION TECHNOLOGIES
    In stock

    Mfr # RS-095. Floodmaster's rs-095 simple water alarm system is designed to sound an audible alarm when the sensor comes in contact with just 1/3...

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    $243.17
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    $243.17
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    $37.61
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    Micro Environment Monitoring S, E-MICRO-TRHP

    NETWORK TECHNOLOGIES
    In stock

    Micro Environment Monitoring S, E-MICRO-TRHP Application Recommended for inventory replenishment and standardization. well-suited for replacement, ...

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    $37.61
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    $37.61
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    $19.90
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    $19.90

    DC Floor Water Sensor for Flood and Leak Detection (6 ft)

    LEVEL SENSE
    In stock

    Mfr #: LS-LEAK-2M Liquid Detection Sensor for Alarm Systems and / or Home Electronic Projects 6 Feet Of Cable, 2 Mounting Screws, and Instructions...

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    $19.90
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    $19.90

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