Sewer backflow preventers are an essential part of your home's plumbing. Here's why you need one and how to test if yours is ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides ... USA Today and The Pen... Backflow preventer installation costs between $105 and $1,400 ...

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 ...