Prevent Flooding with a Water Shut Off Valve

4/6/2021 (Permalink)

Prevent Flooding with a Water Shut Off Valve

To prevent flooding due to a leaking water heater, install an automatic water shut off valve that will detect the presence of water beneath the water heater and turn off the water supply before there is extensive damage.

How water shut off valves work— Automatic water shut off valves generally consist of a high-quality brass valve, an attached electric control box, and moisture sensors. The valve installs “upstream” of the water heater directly into the plumbing line.  The moisture sensors are placed on the floor under the water heater or in the drip pan.  If a leak is detected, the sensors send a signal to the control box which closes the valve and turns off the water supply. The valve stays closed and the water remains off until you manually reset it.

Alarming function – If a leak is detected, the water shut off valve sounds an alarm to let you know it has been activated.  More advanced units can also be connected to a home alarm system or auto-dialer to send out phone, text or email alerts to you when you are away.

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