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Not all leaks are constant. Some only show up under certain conditions, which can make them harder to track down. This service call involved water appearing intermittently under a cabinet in a commercial setting, with no obvious source at first glance.
Situations like this often require a closer look at components that only activate during specific cycles. In this case, the issue was tied to a backflow valve that was not sealing the way it should.
How the leak was happening
The valve was intermittently discharging water, allowing it to escape beneath the cabinet. Because it did not leak continuously, the problem could easily be mistaken for something else or missed during a quick inspection.
Backflow devices are designed to protect the water supply, but when internal parts wear down, they can begin to release water instead of holding pressure correctly.
Rebuilding instead of replacing
Rather than replacing the entire assembly, the valve was rebuilt using the appropriate internal components. This approach restores function while keeping the existing system intact.
Once rebuilt, the valve was tested through multiple cycles to confirm it was sealing properly and no longer discharging water.
Why intermittent leaks matter
Leaks that come and go can still cause damage over time, especially when they are hidden inside cabinets or behind fixtures. Moisture buildup in these areas can lead to deterioration of materials if not addressed.
This type of issue often falls under commercial plumbing service, where identifying the exact source is just as important as completing the repair.
Keeping systems functioning properly
With the valve rebuilt and operating as intended, the leak was fully resolved and the system returned to normal function.
If you are dealing with a leak that is hard to track down or only appears occasionally, it may be time to have it inspected. You can request service through our online contact form or call (509) 899-8883.
We also provide service throughout the area, including Spokane and nearby communities.
