Best Wireless High Water Alarm in 2025
Updated on June 2025
#1
Recommended
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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
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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.
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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.
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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.
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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
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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.
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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.
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