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 ...
MANCHESTER, N.H., Jan. 28, 2026 /PRNewswire/ -- What do commercial properties and municipal water systems need to know about backflow testing requirements in New Hampshire and throughout New England?
MANCHESTER, N.H., Jan. 28, 2026 /PRNewswire/ -- What do commercial properties and municipal water systems need to know about backflow testing requirements in New Hampshire and throughout New England?
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