Do you know what backflow is? It is a term used to describe what happens when sewer water for some reason starts flowing the wrong way through the plumbing lines. Whenever there is a major drop in pressure in the water supply, this could cause backflow. A pressure drop could be caused, for example, by firefighters using a large amount of water in a nearby neighborhood, or it could be caused by a major water pipe in the water supply breaking, among other reasons. The problem is that sewer water being sucked back into your plumbing system could contaminate your drinking water and cause multiple issues.
The solution to this problem is an atmospheric vacuum breaker, a pipe that goes above ground and, as the name implies, breaks the vacuum. If you find one of those pipes near your home, you should make sure that it isn’t damaged since it plays a vital role in preventing backflow from happening to your plumbing system.
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