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John E John E is offline
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Default Frustrating toilet flush pipe leak - any tips and tricks?

"John" wrote in message
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"John E" wrote in message
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Warning: amateur plumber at work...

I installed a bathroom suite five years ago, and until a month ago it
worked perfectly. Then I got a leak from the toilet soil pipe outlet. It
turned out to be a split connector, which I have replaced.

Unfortunately, having now taken the toilet bowl out a couple of times to
fix the original problem, I now have a leak from the connector to the
bottom of the cistern - where the flush pipe exits.

I have tried packing with petroleum jelly; I have tried winding PTFE tape
around the outside of the thread; I have replaced the O ring. I still
have a miniscule leak - about 3-4 drops in an hour after flushing. I fear
that the thread on the outlet might be crossed as a result of
overtightening.

I seem to have a few options - please could you comment on these?

1. ignore the leak - it is only a few drips per flush. It probably
doesn't matter. (I'm not too happy with this one myself)

2. pack around the *outside* of the connector with plumber's mait. (Might
work, doesn't seem too sensible)

3. put silicone gel into the connector, and hope that it seals off the
leak. (Might be a problem to remove later)

4. replace the flushing mechanism in the cistern, and install a new
connector to replace the possibly crossed thread. (relatively expensive,
but might have to be done finally to correct the problem).

I should mention that I am likely to be selling the house in a year or so
(market permitting), so I could live with a minor bodge - if it works!

Thanks for any suggestions,

John.

Could it be a leak between the siphon and the threaded extension. I think
there are rubber washers each side. The one inside is the most important.


It could be - it is hard to tell for sure (the cistern is enclosed in a box
assembly, which is a pain to get into, without removing the whole toilet
bowl etc).

John