"Steve Loft" wrote in message
...
BigWallop wrote:

The stack above the branch for the WC might only be used as a vent, so check
that the branch and the spigot into the house isn't 110 mm (4'') before you
go
buying the wrong sizes. It is common for this type of arrangement to be
used is
nothing else is being connected above a ground floor loo. Does the stack
also
take rain water from the roof ?

The stack just goes up to the roof line, diverts around the roof and
then vents to the air.


If it looks like a normal WC connector then the branch must be 110 mm (4'')
or
nothing else of the modern type would fit it. If so, then you should be
able to
fit two 90 degree elbow connectors into the system. The 90 degree elbows
aren't
that wide on the spigot end and should take up only 100 mm or there abouts.

The branch on the soil pipe has 3 1/2 x 3 1/2 stamped on it.

There's a picture of it he

http://www.wanlockhead.org.uk/files/stack.jpg

and a picture of the pan connector he

http://www.wanlockhead.org.uk/files/connector.jpg

Steve Loft


The internal branch looks to be lead pipe instead of cast iron so the new pan
connectors should fit inside it. Measuring the pan connectors before you buy
them would give you a better idea if two of them will make up the gap you need
to fill. If you measure them from the inner part of the elbow to the bottom of
the spigot end it should tell you if the spaces are enough for your problem.
Which I think it should. Give it a try. Take a tape measure to the store with
you, or borrow one from the assistant when you get there. Remember, you can
some styles of connector to the length you need to fit in the pipe properly.