One huge change that came with the new Minnesota State Plumbing Code that went into effect on January 23rd of this year was the requirement for annual backflow preventer testing. Here's the exact code ...

City Council passed a second and final reading approving changes to the plumbing code on Tuesday. The changes call for a more stringent inspection of delinquent backflow preventers. Those devices are ...

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 ...