Shower/Sink waste pipe issue

[Wilski1993]

Hi all,

Had a blockage in the soil stack which I’ve now cleared via an inspection chamber next to the toilet.

Have realised the reason for the block is because the shower/sink waste pipe protrudes over half way into the soil stack and is catching a lot of the toilet waste coming from above.

What would be the best way to fix this issue? I can use drain rods to clear the blockage when it does happen but ideally want to sort the issue permanently.

Thanks!

 

[terryplumb]

Reducing the waste water pipes length would be the obvious thing to do. Is there a reason why you can't do that ?

 

[Hugh Jaleak]

Can you get a pic of where the pipe is connected to the stack? Some types of Boss are easier to alter than others!