new toilet into existing soil pipe


E

Eric n Tina

Our existing toilet is adjacent to, and wastes into the soil pipe....as
usual. However, we are currently having an extension built on the house and
I would like to put an en suite toilet/shower in the new bedroom.
The soil pipe runs down the inside corner of the existing building. When
the ensuite is built, there will only be the existing gable wall separating
it from the existing soil pipe (hope this makes sense). I initially thought
that I could maybe knock a hole through the wall to access the soil pipe for
the new toilet in the en suite, and put a boss type fitting onto the
existing connection for the original toilet. Now I think that if I were to
do that the flush from one toilet may cross the soil pipe and end up coming
up the other toilet.
The point:- Can anyone explain the best way around this?

Thanks....Eric
 
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H

Hugo Nebula

Our existing toilet is adjacent to, and wastes into the soil pipe....as
usual. However, we are currently having an extension built on the house and
I would like to put an en suite toilet/shower in the new bedroom.
The soil pipe runs down the inside corner of the existing building. When
the ensuite is built, there will only be the existing gable wall separating
it from the existing soil pipe (hope this makes sense). I initially thought
that I could maybe knock a hole through the wall to access the soil pipe for
the new toilet in the en suite, and put a boss type fitting onto the
existing connection for the original toilet. Now I think that if I were to
do that the flush from one toilet may cross the soil pipe and end up coming
up the other toilet.
As long as the flow isn't directly opposite or there's 200mm
difference in height between opposite connections, it'll be OK.

Take the new connection through the wall, then turn through 90°. Put
a rodding access on the bend.

________________________________
___________ __________________
======o| |
"=== Toilet
| |
 
F

fred

Eric n Tina <lkl@alll.ddf> said:
Our existing toilet is adjacent to, and wastes into the soil pipe....as
usual. However, we are currently having an extension built on the house and
I would like to put an en suite toilet/shower in the new bedroom.
The soil pipe runs down the inside corner of the existing building. When
the ensuite is built, there will only be the existing gable wall separating
it from the existing soil pipe (hope this makes sense). I initially thought
that I could maybe knock a hole through the wall to access the soil pipe for
the new toilet in the en suite, and put a boss type fitting onto the
existing connection for the original toilet. Now I think that if I were to
do that the flush from one toilet may cross the soil pipe and end up coming
up the other toilet.
The point:- Can anyone explain the best way around this?
Double branches are available (see http://www.bes.ltd.uk/products/130a.asp )
so you may be worrying unnecessarily but they do have swept bends and are
set up for a fall of a few degrees. Might be worthwhile cutting in one of those.
 
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