What is a double check valve assembly DCVA?
A DCVA is a mechanical Backflow preventer that consists of [...]
What is an air gap?
An air gap is a vertical, physical separation between the [...]
What is Backsiphonage?
Backsiphonage is a condition that causes a sub-atmospheric pressure to [...]
What is a reduced principle (RP) assembly?
An RP is a mechanical Backflow preventer that consists of [...]
What is a Backflow preventer?
A Backflow preventer is a means of mechanism to prevent [...]
Why do I need my “Backflow Prevention Assembly” tested annually?
Backflow Prevention Assemblies and Devices break or wear out in [...]