DCVA-IAV: This is a compact version of DCVA. The full form of DCVA-IAV is Double Check Valve Assembly with Intermediate Atmospheric Vent. This backflow preventer is designed for limited space. It has ...

As a certified Cross Connection Control Specialist, you can now complete and submit Backflow Prevention Device Test Reports online. Once you submit your test report, you and your client will receive a ...

“The water supply (water fittings) regulations which keep drinking water safe specify outside taps should always have a double check valve to prevent backflow. “Homes built since 1999 typically have ...

The device in question is a double check valve backflow prevention assembly (BPA) that is mandated by the Emerald Coast Utilities Authority and costs between $600 and $850 to install, depending on ...

DO fit a compliant double check valve to garden taps. The british standard (BS EN 806-5) states check valves should be replaced every ten years.