On Wed, 21 Jul 2004 20:03:23 +0100, "truman"
wrote:

Hi all. Fitting new close coupled wc in place of old low level wc. 100 year
old cast iron soil pipe comes straight (well slightly sloping) thro the wall
with a big useless flange on the end. So a longish straight spigot connector
will be ok, no problem there. However carefully measuring the hole centres,
the new pan outlet is 1cm lower (at 180mm) than the soil pipe - so the waste
will have to flow uphill a bit.
Question is, does this small amount really matter, or should I raise the wc
pan 1cm with a plywood base or something?

Thanks
truman
........



Yes it does because you may find that it will stop the contents of the
bowl from being discharged into the soil pipe effectively and create a
tendency to blockages.

A base made from (say) 12mm WBP (basically water resistant ply would
do the trick as you suggest.


..andy

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