Backflow Prevention & Testing for Home … – Dennis Foley Plumbing
Backflow happens when water reverses the direction of its flow anywhere in your plumbing systems. It's a dangerous condition because it can allow drinking water in plumbing systems to become contaminated and unusable.
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Backflow Prevention & Testing for Home … – Dennis Foley Plumbing
Tags: become-contaminated, dangerous-condition, direction, drinking-water, its-flow, reverses-the-direction, the-direction, water-reverses