Extending soil pipe internally

mordzy · 3 Sep 2020

Hello, Im just re doing a bathroom and want to properly 'fix' the pan connector to the soil pipe.

At the moment it uses a flexible pan connector from the toilet that's pushed into the soil pipe. However its been done in a way that means this connector is tiled over. The soil pipe finishes behind the wall.

Its not ideal. I thought It might be better to solvent weld a small extension to the soil pipe o that it protrudes this side of the tiles. Is this advisable or wouldn't you bother? if it should be done what do I need parts wise? I can only seem to push fit couplers and soil pipes in black and grey rather than white.

Thanks

denso13 · 3 Sep 2020

Any photos?

mordzy · 3 Sep 2020

There is a stud wall that is plasterboard and tiled. ive pulled it all off to reveal this. the flexible connector pushes into the black soil pipe. While its not leaking I just thought it might be better with a solid pipe through the stud frame rather than the none permanent flexible one?

mordzy · 4 Sep 2020

Any suggestions?

denso13 · 4 Sep 2020

I'd go for a McAlpine pan extension (EXTA if it is 110mm) with the appropriate pan connector on the end (straight or angled).

https://mcalpineplumbing.com/wc-connectors/macfit/mac-extac-straight-extension-macfit

just pumps · 4 Sep 2020

Deffo get rid of the flexi, no if, but`s or whenever.

mordzy · 5 Sep 2020

Do I need a solder coupler to connect that to the soil pipe?

looking at the suggested mcalpine I assume the solid end connects to the soil pipe and the flexi end to something else ?

*edit* sorry, just realised the mcalpine replaces my existing flexible connector but that would still leave the same fitment to the soil pipe behind the wall, which I want to avoid. I don’t think I can solvent weld a coupler as theirs not enough clearance. I think I’ll have to replace the soil pipe through the wall. And make longer.

mordzy · 23 Sep 2020

Just to close this off, I took the old pipe out and fitted a new one long enough so I didn't have to have a joint behind the wall.

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Extending soil pipe internally

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