Toilet flushes when I shower
Drainage and wastage systems and plumbing help, advice and answers

lukebperry
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Joined: Fri May 26, 2023 11:05 am

Toilet flushes when I shower

by lukebperry » Fri May 26, 2023 11:14 am

Hello,
We just bought our first house. It’s old with a lot of work. One issue we have is when water drains from the shower/bath and sometimes also the bathroom sink, water comes out of the toilet cistern and in to the toilet bowl (like it’s being flushed). Is there a fix for this?

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