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 ...

Once it’s installed it incurs an annual cost to get it tested. “It ranges anywhere from $35 to $150, depending on the company and right now there’s a very short supply of backflow assembly testers,” ...

Few of our community connections are as personal as a shared drinking water supply. That’s why water utility managers ask the public to do their part to make sure home connections prevent harmful ...

ONTARIO, CA. — In collaboration with the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada (UA), the International Association ...

ST. PETERSBURG, Fla. — Retired professional mechanical engineer Mike Higgins, 75, recently sent the city of St. Petersburg a letter with ideas on how to redesign backflow preventers to make them more ...

so from what ive read, a check valve / one way valve / non return valve will comply in Aus and Asia, but in NZ an AVB (atmospheric vacuum breaker) which provides at least a 25mm air gap is required ..

ST. PETERSBURG, Fla. — The City of St. Petersburg has installed four new backflow preventers in Shore Acres a couple of months ahead of schedule. This will help to prevent sunny day flooding in the ...