Latest Posts
Compliance
I Got a Letter About My Backflow Preventer — Now What?
What Snohomish County PUD's backflow notice means, why annual testing is required, and what to do next.
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Failed Test
My Backflow Test Failed — What Happens Next?
Why assemblies fail, how repair vs. replace is decided, and how a retest gets you back in compliance.
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Assemblies
PVB vs. DCVA vs. RPBA: Backflow Assemblies in Plain English
The three testable backflow assemblies explained simply — plus the one irrigation device that skips the annual test.
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Winter Care
Winterizing Your Backflow Preventer in the Pacific Northwest
How PNW freezes crack outdoor assemblies, and what to do before and after winter.
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DIY
Can I Test My Own Backflow Preventer?
What a backflow test actually involves — and why Washington requires a certified tester to do it.
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Troubleshooting
Why Is My Backflow Preventer Leaking?
A symptom decoder: what different leaks mean and which ones need attention right away.
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What to Expect
What Happens During a Backflow Test Visit?
A step-by-step walkthrough of the visit: water off briefly, gauges on the test cocks, results on the spot.
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