drain backflow | Happy Roots Lawn Care

How To Drain Your Backflow

posted 10/22/11 Lawn Tips

1. Turn the water off to your sprinkler system. Usually in your basement or crawl space. Shut off valve in the normal operating position (On). Shut off valve in the “Off” position. 2. Go outside and turn all of the ball valves on your Backflow to a 45 degree angle as pictured below. Make sure […]

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