TL;DR
A backflow test is the certified field verification that a testable backflow assembly still holds: a tester connects a calibrated differential gauge kit to the assembly's test cocks and measures whether each check valve and relief valve opens and seals at its required pressures. Most water utilities mandate it annually for irrigation, fire, and commercial connections, performed by a certified tester whose results are filed with the utility, with shutoff for ignored notices.
What it means
A backflow test is the certified field verification that a testable backflow assembly still holds: a tester connects a calibrated differential gauge kit to the assembly's test cocks and measures whether each check valve and relief valve opens and seals at its required pressures. Most water utilities mandate it annually for irrigation, fire, and commercial connections, performed by a certified tester whose results are filed with the utility, with shutoff for ignored notices. The procedure interrupts water through the device for 10 to 30 minutes. Failures usually mean debris-fouled checks, rebuilt with a kit on the spot.
Where it sits in the glossary
Backflow test is part of the Permits group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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