Backflow Testing and Repair

What is Backflow

Backflow describes the undesirable reversal of the flow of water from its intended direction in any pipeline or plumbing system. Caused by cross-connections that can potentially allow contaminants into the drinking water system, backflow incidents occur when wastewater or other hazardous materials enter a potable water supply.

Two Types of Backflows

The two types of backflows are known as backpressure and back siphonage. Backpressure is defined as pressure higher than the supply pressure, caused by a pump, elevated tank, boiler, or any other means that may cause backflow. Back siphonage describes backflow caused by negative or reduced pressure in the supply piping, often caused by a sudden drop in supply pressure.

How Can Backflow be Prevented?

Backflow prevention isn't just critical – it's mandated. All major plumbing code bodies address protection against backflow. Plumbing professionals ensure our communities are safe from the dangers of backflow by identifying cross-connections, specifying and installing the appropriate backflow preventers, and inspecting them to ensure they operate correctly and are up to code.

How to protect potable water

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Backflow protection devices

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Backflow testing

Backflow Certification its important that backflow devices get tested in compliance with local codes or manufacturer recommendation. Generally, this is at least once per year or more as service conditions warrant. The test is performed by a Certified Backflow Prevention Technician.

Backflow repair

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