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Simple, straightforward and low shipping rates for these water leak detector and auto-shutoff valves.



Water Heater Leak Detector And Shutoff

by Watts®

When you need a reliable way to shut off the power to the water heater in case of a leak, the FloodSafe Water Detector system is the solution. Costly water damage can be a nightmare, and with the different versions available for electric, oil fired, and standing pilot models, this system will save you money and headaches. Looking for other flood prevention products? Click here.

The FloodSafe Water Detector Shutoff
Includes control module, power cutoff module, water detector pad, water dam, & power supply
Help protect your home or building from excessive water damage due to leaking or malfunctioning water heaters. The FloodSafe Water Detector Shutoff is designed to detect the presence of water beneath the water heater and automatically shut off the cold water supply and power source to the water heater, protecting your investment from catastrophic water damage.
This great water heater leak detector & shutoff features:
  • Water supply & power shutoff to your water heater in the event of a leak
  • Audible & visual alarm that alerts owners when a leak has been detected
  • Full flow valve does not restrict flow to water heater during normal operation
  • As little as 1/16th inch of standing water detection
  • Rust and corrosion resistant water detector pad
  • Re-settable: if you need to test your system or in the event of an actual leak, the FloodSafe can be re-set and used time and time again
  • Click here for a typical installation diagram
  • Click here for detailed dimensions
FloodSafe Water Detector & Shutoff Price & Quantity
(for 3/4" water supply lines)
Price & Quantity
(for 1" water supply lines)
Designed for standing pilot water heaters - left-hand thread - thermocouple $262.16 $282.98
Designed for standing pilot water heaters - right-hand thread - thermocouple $261.49 $281.67
Designed for 220V AC electric water heaters $292.15 $311.95
Designed for spark ignition/oil fired water heaters $282.09 $302.59

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Please follow ALL local codes when installing this device. Also, always make sure that you follow the manufacturer's instructions (included in your FloodSafe shipment) for regular maintenance and inspections required to ensure that you are protected from floods and to extend the life for your purchase.




The FloodSafe includes everything below
Control Unit
Control unit
Shuts off the cold water supply, activates the power cutout module, and then generates and alarm letting you know it has been activated.
Power Cutout Module
Power Cutout Module
Shuts off the power to the water heater. Different versions are available (for standing pilot, electric, & oil fire water heaters.)
Water Detector Pad
Water Detector Pad
Detects as little as 1/16th inch standing water and sends notification signal to control unit which then shuts off water supply helping to prevent costly water damage.

Water Dam
Water Dam
The water dam lays on the ground around the water heater and helps prevent any leaking water from spreading. It is ideal for concrete and solid floors.
Power Supply
Power Supply
Provides power to the system. Conveniently plugs into a standard 120V AC wall outlets and is wired using standard thermostat cables.

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Frequently Asked Questions

Q. "How do I determine if I need left or right hand threads?"
A. The right and left hand thread versions of the standing pilot gas water heater models are offered due to some water heaters using a left hand threaded thermocouple. To determine which one you need, check the owner's manual for your water heater or unscrew your thermocouple. If it unscrews counter clockwise it is a right hand threaded thermocouple, if it unscrews clockwise it is a left hand threaded thermocouple.



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