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When I close the water tank supply valve, the main meter stops.
There is no abnormality in the piping from the main meter to the water tank.
If so, there is a leak in the water tank itself or in the pipes between the water tank and the household meter.
If you can visually check for leaks in the water tank, check the water tank first. If you cannot visually check for leaks, check for leaks in the pipes between the water tank and the household meter.
We recommend that you contact a leak detection company to request an accurate leak detection.
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