Best Wireless High Water Alarm in 2025

Updated on June 2025
#1
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  • Includes a float switch and in-dash gauge with visual and audible alarm
  • Monitors unarmed compartments continuously
  • Meets CFR 182.530 compliance for unmanned spaces on vessels 26' long or more
  • Compatible with pumps drawing up to 20 amps at 12 volts
  • Dimensions: 2-1/4" x 5" x 2-1/64"
  • Designed for boating applications
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  • Includes a float switch and in-dash gauge with visual and audible alarm
  • Monitors unarmed compartments continuously
  • Meets CFR 182.530 compliance for unmanned spaces on vessels 26' long or more
  • Compatible with pumps drawing up to 20 amps at 12 volts
  • Dimensions: 2-1/4" x 5" x 2-1/64"
  • Designed for boating applications
#2
Value for Money
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  • Monitor water leaks remotely via a mobile app after connecting the hub to WiFi (2.4G only); effective monitoring range of 200 meters, suitable for basements.
  • Pre-paired water leak sensor automatically connects to the hub upon initial WiFi setup; slim 1.8mm design allows for discreet placement in hidden areas.
  • Receive instant notifications via app, SMS, and email for water leak detection; compatible with IFTTT for enhanced alert options.
  • Adjustable alarm volume with three settings (high, medium, low); easily mute alarms through physical buttons or the app after triggering.
  • IP66 rated waterproof housing ensures reliable operation in high humidity environments; supports multiple sensors for various locations like kitchens and laundry rooms.
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  • Monitor water leaks remotely via a mobile app after connecting the hub to WiFi (2.4G only); effective monitoring range of 200 meters, suitable for basements.
  • Pre-paired water leak sensor automatically connects to the hub upon initial WiFi setup; slim 1.8mm design allows for discreet placement in hidden areas.
  • Receive instant notifications via app, SMS, and email for water leak detection; compatible with IFTTT for enhanced alert options.
  • Adjustable alarm volume with three settings (high, medium, low); easily mute alarms through physical buttons or the app after triggering.
  • IP66 rated waterproof housing ensures reliable operation in high humidity environments; supports multiple sensors for various locations like kitchens and laundry rooms.
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#3
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  • High or low water alarm with WA9-04 AC/DC compatibility
  • Includes 10 ft float cord for versatile use
  • User-selectable mode for detecting high or low water levels
  • Powered by 9-Volt AC with a 9-Volt DC backup for reliability
  • Features a 6-foot AC power cable for convenient installation
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  • High or low water alarm with WA9-04 AC/DC compatibility
  • Includes 10 ft float cord for versatile use
  • User-selectable mode for detecting high or low water levels
  • Powered by 9-Volt AC with a 9-Volt DC backup for reliability
  • Features a 6-foot AC power cable for convenient installation
#4
13% Off
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  • Dual 5-meter floating probe design for detecting water levels; can sense both overflow and shortage conditions.
  • Adjustable 120 dB alarm with a red light strobe, suitable for home safety and customizable for specific needs.
  • Extendable detection line up to 164ft using high-quality copper core wires, allowing for flexible installation.
  • Powered by a 9V replaceable battery with over 1-year standby; alerts when the battery is low with reduced sound.
  • Versatile usage across various environments including solar tanks, fish tanks, pools, basements, bathrooms, and kitchens; can integrate with other sensors for enhanced safety.
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  • Dual 5-meter floating probe design for detecting water levels; can sense both overflow and shortage conditions.
  • Adjustable 120 dB alarm with a red light strobe, suitable for home safety and customizable for specific needs.
  • Extendable detection line up to 164ft using high-quality copper core wires, allowing for flexible installation.
  • Powered by a 9V replaceable battery with over 1-year standby; alerts when the battery is low with reduced sound.
  • Versatile usage across various environments including solar tanks, fish tanks, pools, basements, bathrooms, and kitchens; can integrate with other sensors for enhanced safety.
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#5
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  • Real-time alerts via email and app notifications for water leakage events, even when away from home.
  • Connects up to 10 sensors through WiFi for comprehensive water protection.
  • Equipped with multiple probes for effective detection of drips and leaks, allowing location-specific sensor naming via the app.
  • Customizable volume settings with three options to suit various environments.
  • 100dB alarm suitable for basements, with a mute function for immediate silence upon locating a leak.
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  • Real-time alerts via email and app notifications for water leakage events, even when away from home.
  • Connects up to 10 sensors through WiFi for comprehensive water protection.
  • Equipped with multiple probes for effective detection of drips and leaks, allowing location-specific sensor naming via the app.
  • Customizable volume settings with three options to suit various environments.
  • 100dB alarm suitable for basements, with a mute function for immediate silence upon locating a leak.
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#6
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  • Voltage:12V / 24V
  • Amps:20A / 10A
  • Wire Gauge Size:28 AWG
  • Wire Lead:150 mm
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  • Voltage:12V / 24V
  • Amps:20A / 10A
  • Wire Gauge Size:28 AWG
  • Wire Lead:150 mm
#7
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  • Consists of an electric field bilge switch and a 95 dB alarm
  • Detects water and sends a signal (3 seconds delay) to the alarm
  • Precision switch automatically activates and shuts off alarms when water reaches specific levels
  • No moving parts, totally sealed solid state electronics and field detectors
  • 3 second delay prevents false starts
  • Switch activates the Bilge Pump at a 41mm/1.6" fluid level and deactivates at a 9.5mm/0.37" fluid level
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  • Consists of an electric field bilge switch and a 95 dB alarm
  • Detects water and sends a signal (3 seconds delay) to the alarm
  • Precision switch automatically activates and shuts off alarms when water reaches specific levels
  • No moving parts, totally sealed solid state electronics and field detectors
  • 3 second delay prevents false starts
  • Switch activates the Bilge Pump at a 41mm/1.6" fluid level and deactivates at a 9.5mm/0.37" fluid level
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#8
37% Off
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  • Detects water levels as low as 1/32 inch for reliable early warnings
  • Highly sensitive solid-state circuitry ensures reliability
  • Produces a loud 110 dB alarm audible throughout large areas
  • Includes a 6 ft. wire for versatile placement in sump pits or wall mounting
  • Supports extension with over 100 ft. of additional 24-Gauge wire (not included)
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  • Detects water levels as low as 1/32 inch for reliable early warnings
  • Highly sensitive solid-state circuitry ensures reliability
  • Produces a loud 110 dB alarm audible throughout large areas
  • Includes a 6 ft. wire for versatile placement in sump pits or wall mounting
  • Supports extension with over 100 ft. of additional 24-Gauge wire (not included)
#9
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  • Compatible with 2.4GHz WiFi only; integrates with the "Tuya Smart" app for real-time home protection.
  • Alerts for leaks are sent to your phone instantly via Wi-Fi, with a range of up to 328 feet in open areas.
  • Schedule automated arming and disarming for convenience; allows adjustments for undisturbed nights and rainy conditions.
  • Utilizes dual-sensor technology for accurate early leak detection; rated IP66 waterproof for placement in vulnerable areas.
  • Loud 120dB alarm with mute option; alerts both visually and audibly for immediate awareness of leaks.
  • User-friendly features include a test button and low battery alerts; designed for continuous operation when plugged in.
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  • Compatible with 2.4GHz WiFi only; integrates with the "Tuya Smart" app for real-time home protection.
  • Alerts for leaks are sent to your phone instantly via Wi-Fi, with a range of up to 328 feet in open areas.
  • Schedule automated arming and disarming for convenience; allows adjustments for undisturbed nights and rainy conditions.
  • Utilizes dual-sensor technology for accurate early leak detection; rated IP66 waterproof for placement in vulnerable areas.
  • Loud 120dB alarm with mute option; alerts both visually and audibly for immediate awareness of leaks.
  • User-friendly features include a test button and low battery alerts; designed for continuous operation when plugged in.
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#10
57% Off
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  • Easily switch between smart WiFi water sensor alarm and water tank level sensor; receive alerts for leaks or low water levels through the app remotely.
  • Connects to WiFi without gateways or complex wiring; features a 31.5-inch detection cable for comprehensive coverage in homes and basements; supports only 2.4G WiFi.
  • Upon detection of leaks or low water levels, a 100dB alarm and flashing LED lights activate, along with app notifications for quick response; subscription needed for SMS, phone, or email alerts.
  • Customize settings such as volume, duration, and delay via the app; operates on 2 AAA batteries (not included) with low battery alerts sent through the app.
  • Suitable for various applications including sump pumps, toilets, water heaters, and laundry rooms; effective for monitoring water levels in bathtubs and pools.
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  • Easily switch between smart WiFi water sensor alarm and water tank level sensor; receive alerts for leaks or low water levels through the app remotely.
  • Connects to WiFi without gateways or complex wiring; features a 31.5-inch detection cable for comprehensive coverage in homes and basements; supports only 2.4G WiFi.
  • Upon detection of leaks or low water levels, a 100dB alarm and flashing LED lights activate, along with app notifications for quick response; subscription needed for SMS, phone, or email alerts.
  • Customize settings such as volume, duration, and delay via the app; operates on 2 AAA batteries (not included) with low battery alerts sent through the app.
  • Suitable for various applications including sump pumps, toilets, water heaters, and laundry rooms; effective for monitoring water levels in bathtubs and pools.
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