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Sewer smell upstairs when flush downstairs
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CMW
Labourer
Labourer
Posts: 2
Joined: Wed Sep 27, 2023 7:23 am

Sewer smell upstairs when flush downstairs

by CMW » Wed Sep 27, 2023 7:29 am

Hi,
When I flush our downstairs toilet there is a sewage smell in the upstairs bathroom.
There is no obvious blockage.
Any advice please
stoneyboy
Project Manager
Project Manager
Posts: 6538
Joined: Wed Dec 10, 2008 6:44 pm

Re: Sewer smell upstairs when flush downstairs

by stoneyboy » Thu Sep 28, 2023 10:02 pm

Hi cmw,
You need to check that you have a vent pipe at the highest point of you home system.
Regards S
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