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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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  • Probe-Style Temp Sensor 7 Ft

    NETWORK TECHNOLOGIES
    $0.00 - $0.00
    $0.00
    $73.02
    $73.02 - $73.02
    $73.02
    In stock

    Probe-Style Temp Sensor 7 Ft Built to support repeatable installation and service tasks Useful for workshops, facilities, and jobsite inventory He...

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    $0.00 - $0.00
    $0.00
    $73.02
    $73.02 - $73.02
    $73.02

  • 3/4" Smart Home Water Monitoring And Leak Detection System

    MOEN
    $0.00 - $0.00
    $0.00
    $67.38
    $67.38 - $67.38
    $67.38
    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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    $0.00 - $0.00
    $0.00
    $67.38
    $67.38 - $67.38
    $67.38

  • FloodMaster Battery-Powered Water Leak Detection & Alarm System

    RELIANCE DETECTION TECHNOLOGIES
    $0.00 - $0.00
    $0.00
    $223.87
    $223.87 - $223.87
    $223.87
    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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    $0.00 - $0.00
    $0.00
    $223.87
    $223.87 - $223.87
    $223.87

  • Micro Environment Monitoring S, E-MICRO-TRHP

    NETWORK TECHNOLOGIES
    $0.00 - $0.00
    $0.00
    $34.63
    $34.63 - $34.63
    $34.63
    In stock

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

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    $0.00 - $0.00
    $0.00
    $34.63
    $34.63 - $34.63
    $34.63

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

    LEVEL SENSE
    $0.00 - $0.00
    $0.00
    $18.32
    $18.32 - $18.32
    $18.32
    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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    $0.00 - $0.00
    $0.00
    $18.32
    $18.32 - $18.32
    $18.32

  • Lead Free Water Detector Shutoff, 3/4 in.

    WATTS
    $0.00 - $0.00
    $0.00
    $846.80
    $846.80 - $846.80
    $846.80
    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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    $0.00 - $0.00
    $0.00
    $846.80
    $846.80 - $846.80
    $846.80

  • Battery Operated Water Alarm System

    FLOODMASTER
    $66.70 - $66.70
    $66.70
    $146.16
    $146.16 - $146.16
    $146.16
    In stock

    Mfr #: RS-095 Price For: Each Item: Battery Operated Audible Water Alarm System Amps: 0.08 Voltage: 9VDC Country of Origin (subject to change): Un...

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    $66.70 - $66.70
    $66.70
    $146.16
    $146.16 - $146.16
    $146.16

  • Flood Prevention Switch, Wired Connection

    DIVERSITECH
    $8.70 - $8.70
    $8.70
    $17.40
    $17.40 - $17.40
    $17.40
    In stock

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

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    $8.70 - $8.70
    $8.70
    $17.40
    $17.40 - $17.40
    $17.40

  • Detection/Alarm Shutoff System, 120VAC

    FLOODMASTER
    $162.40 - $162.40
    $162.40
    $370.04
    $370.04 - $370.04
    $370.04
    In stock

    Mfr #: RS-094-3/4-MK1 Plumbing Made by: Floodmaster Country of Manufacturing: United States FLOODMASTER component for professional use. Applicatio...

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    $162.40 - $162.40
    $162.40
    $370.04
    $370.04 - $370.04
    $370.04

  • Flood Prevention Switch, 3/4" Pipe Valve

    DIVERSITECH
    $15.66 - $15.66
    $15.66
    $30.16
    $30.16 - $30.16
    $30.16
    In stock

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

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    $15.66 - $15.66
    $15.66
    $30.16
    $30.16 - $30.16
    $30.16

  • Water Alarm with Security System Tie In

    FLOODMASTER
    $90.48 - $90.48
    $90.48
    $180.96
    $180.96 - $180.96
    $180.96
    In stock

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

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    $90.48 - $90.48
    $90.48
    $180.96
    $180.96 - $180.96
    $180.96

  • Water Surface Sensor-Unsupervised, 15 ft.

    WINLAND ELECTRONICS
    $18.56 - $18.56
    $18.56
    $37.12
    $37.12 - $37.12
    $37.12
    In stock

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

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    $18.56 - $18.56
    $18.56
    $37.12
    $37.12 - $37.12
    $37.12

  • Water Heater Leak Detection System, 3/4In

    FLOODMASTER
    $161.24 - $161.24
    $161.24
    $344.52
    $344.52 - $344.52
    $344.52
    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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    $161.24 - $161.24
    $161.24
    $344.52
    $344.52 - $344.52
    $344.52

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