Backflow preventer installation costs between $105 and $1,400, with the average property owner spending $325 per backflow preventer. Backflow preventers are essential in many commercial and some ...

A big pipe carries waste from your house to the main sewer line under the street. If either becomes plugged or overloaded, sewage backs up and flows out of the lowest available drain. That’s usually a ...

The company has designed a new drain-backflow adapter for Takagi on-demand water heaters. Previously, installation of the Takagi system included the use of a backflow preventer to keep cold air during ...