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 ...

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 ...

City seeks to get in compliance with state’s ‘backflow preventer’ testing requirements Thousands of residents and businesses in Durango will soon be faced with the choice of paying a roughly $150 ...

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