Sprinkler System Backflow Valve

The valves should be positioned such that water drains away from the house.

Sprinkler system backflow valve. The backflow valve is normally located between the water supply connection and the sprinkler system in your home. Irrigation backflow devices are designed for installation on potable water lines to protect against both back siphonage and backpressure of contaminated water into the potable water supply. Find backflow preventers vacuum breakers at lowe s today. Think of it as a one way gate that allows water from the city s public water supply to flow into your home s piping but stops water if and when it ever tries to flow backwards into.

This will also ensure that your drinking or potable water supply shouldn t be contaminated with chemicals or debris from the garden. A backflow valve typically resides between your home s main water supply connection and your sprinkler system to prevent any backwards water flow. These particular valves need to be installed a minimum of six inches above the highest sprinkler head. When an automatic sprinkler system is undergoing repairs or renovations for example it is often necessary to close valves that control the water supply.

Our city recently informed us that all sprinkler systems where we live would now be required t. When work on the system is complete the valve needs to be reopened for the system to be operable in the event of a fire. Sprinkler system backflow prevention devices are safety mechanisms to prevent contaminants from entering water supplies. A backflow prevention system prevents backflow backflow prevention systems are devices installed onto a pipe that only allow water to flow in one direction.

The photo to the right features another type of backflow prevention device called an anti siphon valve. This is intended to prevent any flow of water from going backward. Step by step instructions for installing a backflow preventer. Get detailed information on how to choose between the anti siphon valve vs.