What is a common method to test for leaks in plumbing?

A common method to test for leaks in plumbing involves checking water meter readings before and after a period of no water use. This approach is effective because it provides a quantitative measurement of water usage. First, the water meter is recorded when the water is not being used. If, after a set period, the reading has changed, it indicates that there is a leak somewhere in the plumbing system, as water should not be flowing if no fixtures are in use. This method is straightforward and can often reveal hidden leaks that are not easily detectable through visual inspection or by sound.

By using this method, home inspectors can confidently assess whether there are plumbing issues that need to be addressed, which is crucial for maintaining the integrity of a home’s plumbing system. Other methods might provide clues but typically do not offer the definitive proof of a leak that water meter readings do.