How often do backflow preventer valves need to be replaced?

There isn’t a fixed replacement interval for backflow preventers. Replace the valve when it fails a professional backflow test, leaks, corrodes, or has damaged internal checks or shutoffs. A Summers Plumbing Heating & Cooling plumber can inspect your device in Lafayette or West Lafayette and confirm the timeline and cost on site.

Quick checks:

• Failed certified test
• Visible leaks or corrosion
• Stuck or damaged shutoff valves
• Repeated nuisance discharge

Updated: 2025-12-30 00:00:00

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