Backflow Prevention and Testing in Nashville

Periodic testing of backflow prevention devices is a crucial service when it comes to the lasting health and cleanliness of potable water. Our Expert plumbers in Nashville can provide quality backflow device installation and maintenance along with rigorous testing.

What Is Backflow?

Backflow refers to wastewater that has made its way back into your potable water supply. Often caused by an unexpected change in water pressure, the flow of used, nonpotable water reverses and creates what is known as a cross connection (where potable and nonpotable water meet). Backflow is often contaminated with waste materials, bacteria, chemical residue and various other pollutants.

These substances can pose a serious risk to your health and safety, which is why backflow testing and prevention devices are so important. Whether you’re protecting your loved ones or the public, professional backflow tests from Expert plumbers help in keeping you safe.

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Frequently Asked Questions

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When Does My Backflow Device Need Testing?

  • Air Gaps (AG) shall be inspected at intervals not exceeding one (1) year to ensure that they continue to meet up to the requirements.
  • Double Check Valve Backflow Prevention Assembly (DC) shall be tested at intervals not exceeding one (1) year to ensure that both check valves hold pressure at 2.0 or greater under all pressure differentials.
  • Double Check Detector Backflow Prevention Assembly (DCDA) shall be tested at intervals not exceeding one (1) year to ensure that both check valves hold pressure and do not leak under all pressure differentials.
  • Pressure Vacuum Breakers (PVB) shall be tested at intervals not to exceed six (6) months (annually, if installed on an irrigation system) to make certain that the air inlet opens fully when water pressure and the check valve holds closed under pressure.

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With a maintenance membership, you can easily keep your plumbing system in great condition while enjoying other benefits like priority service! Browse through our available membership plans today.

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