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Posted

Push fit....

 

Ideally you need to connect above slab if possible, or use 110mm below slab and use an entry fitting to do the transition. 

Posted
4 minutes ago, PeterW said:

Push fit....

 

Ideally you need to connect above slab if possible, or use 110mm below slab and use an entry fitting to do the transition. 

 

OK, thanks. Its going to be a BIG decision to dig the run from the 110mm to the sink up as its going to be close to UFH pipes.

Posted

Actually digging it up just isn't going to be a safe/easy option. Just managed to find this (zoomed) image of the offending pipework.

One corner of the sink waste goes across the UFH pipe. Its the pipe that was sat in the top of that grey boss that was un-bonded.

 

2018-02-21_10-03-37.jpg.f4afe65494624e7fcb9e4e777b9ae05f.jpg

Posted
7 minutes ago, Barney12 said:

Actually digging it up just isn't going to be a safe/easy option. Just managed to find this (zoomed) image of the offending pipework.

One corner of the sink waste goes across the UFH pipe. Its the pipe that was sat in the top of that grey boss that was un-bonded.

 

2018-02-21_10-03-37.jpg.f4afe65494624e7fcb9e4e777b9ae05f.jpg

I'm no expert but that doesn't look right to me. I would have thought all that white pipe should be 110mm and under the slab not running through it.

  • Like 1
Posted
8 minutes ago, Barney12 said:

Actually digging it up just isn't going to be a safe/easy option. Just managed to find this (zoomed) image of the offending pipework.

One corner of the sink waste goes across the UFH pipe. Its the pipe that was sat in the top of that grey boss that was un-bonded.

 

2018-02-21_10-03-37.jpg.f4afe65494624e7fcb9e4e777b9ae05f.jpg

 

Can't you just get your hand down there to clean the boss, brush on a good slug of solvent adhesive and push a bit of grey back down?

Posted
1 minute ago, PeterStarck said:

I'm no expert but that doesn't look right to me. I would have thought all that white pipe should be 110mm and under the slab not running through it.

 

Same here, not a good layout IMHO.

Posted
5 minutes ago, Onoff said:

 

Can't you just get your hand down there to clean the boss, brush on a good slug of solvent adhesive and push a bit of grey back down?

 

Yep, and I think that's what I'm going to have to do. The runs of 50mm are fairly short and there is only a couple of solvent bends.

Of course that does assume there is solvent on the other joints!!

I guess I can try and rig some sort of pressure test up?

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