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 ...
Brett Rathje (front) and Eric Egge (back) look on while Derek Young works on a valve as they try to repair a water main break in Onslow in Jones County in 2014. Rathje, Egge and Young were working for ...
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