How often do backflow preventer valves need to be replaced?
Backflow preventer valves are replaced when they fail testing, leak, or are damaged—not on a fixed timeline. A technician confirms replacement after inspection and testing on site. In Seattle and Everett, preventive maintenance helps catch wear, corrosion, mineral buildup, or stuck check valves early.
Quick checks:
- Schedule regular professional testing and service.
- Watch for continuous discharge from relief ports, visible corrosion, or low pressure.
- Replace after a failed test or when repair parts are no longer available.
Updated: 2025-12-24 00:00:00
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Sources
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