How can you tell when a vacuum breaker needs to be replaced?

Question

The one in the master bath just started "leaking" recently and now my daughter reports the same problem in her bath.  Is this just a part of their normal function or do they need to be replaced or possibly just adjusted?

Paul · Answer

In order to answer the question with any assurance I would have to know what you mean by "leaking." However I am willing to hazard the guess that the vacuum breaker is indeed operating as designed - that is to say it introduces air into the pipe/hose when a vacuum is induced. This would cause the water to flow, and water flows in whichever direction is easiest.

Answered by Paul on June 6, 2021

wallyk · Answer

Before replacing, check to see if it needs cleaning.  If some debris is at the seal, it will leak.

How can you tell when a vacuum breaker needs to be replaced?

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