Best Water Heater Shut Off Valve Automatic Flood in 2025
Updated on June 2025
#1
Recommended
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- 3/4" NPT water heater shut-off valve with actuator
- Made in the USA
- Taco brand product
- Single item included
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- 3/4" NPT water heater shut-off valve with actuator
- Made in the USA
- Taco brand product
- Single item included
#2
Value for Money
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- Quick installation of leak detection system with both sound and visual alerts, typically taking around 15 minutes
- Automatic water shut-off system suitable for residential and commercial use, maintaining functionality of other fixtures and appliances
- Durable solid brass ball valve with a full port design, capable of handling pressures up to 140 PSI
- Meets AB1953 and NSF 61 lead-free requirements; ICC-ES Listed (PMG-1511)
- Complies with IPC, IRC, UPC, and National Plumbing Code of Canada (NPC) standards
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- Quick installation of leak detection system with both sound and visual alerts, typically taking around 15 minutes
- Automatic water shut-off system suitable for residential and commercial use, maintaining functionality of other fixtures and appliances
- Durable solid brass ball valve with a full port design, capable of handling pressures up to 140 PSI
- Meets AB1953 and NSF 61 lead-free requirements; ICC-ES Listed (PMG-1511)
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#3
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- Automatic leak detection device that shuts off water supply to prevent flooding when you're away from home, featuring manual controls and a reset button post-repair.
- Includes durable brass NPT threaded 3/4 ball valves for effective flood control; compatible with hot water systems up to 100℃ (212℉), and designed for simple installation on existing plumbing.
- Equipped with a backup battery to maintain operation during power outages, shutting off the water and sounding an alarm; allows manual water shutoff during trips.
- Two water leak sensors included, which activate the shutoff when water is detected; offers a cable length of 19.68 ft (6 m) for versatile placement.
- Designed for easy integration with existing plumbing systems, but note that the port size might be smaller than 3/4.
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- Automatic leak detection device that shuts off water supply to prevent flooding when you're away from home, featuring manual controls and a reset button post-repair.
- Includes durable brass NPT threaded 3/4 ball valves for effective flood control; compatible with hot water systems up to 100℃ (212℉), and designed for simple installation on existing plumbing.
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#4
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- Simple installation with audible and visual alarms, typically completed in 15 minutes
- Automatic water shut-off for both residential and commercial settings, retaining functionality of other fixtures
- Maintenance-free solid brass ball valve, capable of handling pressures up to 140 PSI
- Lead-free certification: meets AB1953 and NSF 61 standards / ICC-ES Listed (PMG-1511)
- Compliance with IPC, IRC, UPC, and National Plumbing Code of Canada (NPC)
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- Simple installation with audible and visual alarms, typically completed in 15 minutes
- Automatic water shut-off for both residential and commercial settings, retaining functionality of other fixtures
- Maintenance-free solid brass ball valve, capable of handling pressures up to 140 PSI
- Lead-free certification: meets AB1953 and NSF 61 standards / ICC-ES Listed (PMG-1511)
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#5
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- Innovative LeakBreaker technology automatically shuts off the water supply to prevent flooding from leaks or burst pipes
- Integrates with the eLink mobile app for remote monitoring and control via WiFi
- Includes a moisture sensor that triggers the valve to close the water supply line
- Installs directly on the water heater's cold water inlet with a standard 3/4" NPT fitting
- Constructed with a durable brass valve body for long-lasting use
- Weighs 3.0 pounds
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- Innovative LeakBreaker technology automatically shuts off the water supply to prevent flooding from leaks or burst pipes
- Integrates with the eLink mobile app for remote monitoring and control via WiFi
- Includes a moisture sensor that triggers the valve to close the water supply line
- Installs directly on the water heater's cold water inlet with a standard 3/4" NPT fitting
- Constructed with a durable brass valve body for long-lasting use
- Weighs 3.0 pounds
#6
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- Automatic shut-off valve activates upon leak detection, triggering an alarm
- 3/4" NPT brass valve for durability
- Compatible with up to 8 sensors (includes 2 sensors)
- Offers round-the-clock security and reliability
- Simple installation process
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- Automatic shut-off valve activates upon leak detection, triggering an alarm
- 3/4" NPT brass valve for durability
- Compatible with up to 8 sensors (includes 2 sensors)
- Offers round-the-clock security and reliability
- Simple installation process
#7
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- Upgraded 3.0 WIFI water leak detection kit automatically shuts off water supply and sounds an alarm upon detecting leaks to prevent water damage.
- GeniLife App allows for real-time leak notifications, remote alarm silencing, and valve control for easy management of water heaters from anywhere.
- Solid brass valves (3/4" NPT, 150PSI) provide a secure fit to pipes, preventing leaks and ensuring long-term smooth operation.
- Disc base design elevates sensor tip to detect water flow more accurately, reducing false alarms and ensuring accurate leak detection.
- Dual power supply system (AC and battery backup) guarantees continuous operation during outages, ensuring 24-hour leak protection.
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- Upgraded 3.0 WIFI water leak detection kit automatically shuts off water supply and sounds an alarm upon detecting leaks to prevent water damage.
- GeniLife App allows for real-time leak notifications, remote alarm silencing, and valve control for easy management of water heaters from anywhere.
- Solid brass valves (3/4" NPT, 150PSI) provide a secure fit to pipes, preventing leaks and ensuring long-term smooth operation.
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#8
8% Off
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- Simple installation of water detection system with sound and light alerts in approximately 10 minutes
- Automatic water shut-off feature for residential and commercial use, maintaining functionality of other fixtures
- Heavy-duty solid brass ball valves capable of handling pressures up to 140 PSI
- Lead-free certification compliant with AB1953 and NSF 61 standards, and ICC-ES Listed (PMG-1511)
- Meets compliance standards of IPC, IRC, UPC, and the National Plumbing Code of Canada (NPC)
Read More
- Simple installation of water detection system with sound and light alerts in approximately 10 minutes
- Automatic water shut-off feature for residential and commercial use, maintaining functionality of other fixtures
- Heavy-duty solid brass ball valves capable of handling pressures up to 140 PSI
- Lead-free certification compliant with AB1953 and NSF 61 standards, and ICC-ES Listed (PMG-1511)
Read More
#9
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- FloodStop Water Heater Auto-Shutoff Valve
- FS3/4NPT model
- V4 Controller included
- designed for water damage prevention
- auto-shutoff feature for safety
- suitable for water heater systems
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- FloodStop Water Heater Auto-Shutoff Valve
- FS3/4NPT model
- V4 Controller included
- designed for water damage prevention
- auto-shutoff feature for safety
- suitable for water heater systems
#10
18% Off
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- Water detection system with both audible and visual alarms, can be set up in approximately 10 minutes
- Automatic water shut-off feature for residential and commercial properties, allowing other fixtures and appliances to remain functional
- Maintenance-free operation with durable full port solid brass ball valves, pressure rated up to 140 PSI
- Meets AB1953 and NSF 61 lead-free standards, ICC-ES Listed (PMG-1511)
- Complies with IPC, IRC, UPC, and the National Plumbing Code of Canada (NPC)
Read More
- Water detection system with both audible and visual alarms, can be set up in approximately 10 minutes
- Automatic water shut-off feature for residential and commercial properties, allowing other fixtures and appliances to remain functional
- Maintenance-free operation with durable full port solid brass ball valves, pressure rated up to 140 PSI
- Meets AB1953 and NSF 61 lead-free standards, ICC-ES Listed (PMG-1511)
Read More
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