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 ...
MANHATTAN, Kan. (WIBW) - If you’re getting a sprinkler system ready for the season, experts say it’s important to test for backflow. Backflow occurs when water flows in the wrong direction, leading to ...
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