Close any open drain valves or test cocks. Open the sprinkler water supply valve. Do this slowly to avoid pressure spikes. Turn the controller back on and run each zone manually to check for leaks, ...

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 ...

SALINAS, CA, UNITED STATES, October 9, 2025 /EINPresswire.com/ -- Alvarez Plumbing, a family‑owned plumbing contractor with ...

PRVs regulate incoming pressure, reducing the risk of catastrophic failure and improving overall system efficiency.

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