Shortening Inlet pipe?

25 Jun 2011
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United Kingdom
Hi all,

I have previously replaced a float valve with a Fluidmaster Bottom-Entry Lever & Fill Valve Cistern; but it was not without problems - part of the problem was that the inlet pipe was a tiny bit too high meaning that there was a bigger gap inside the cistern that led to a leak.

I now need to do the other toilet in the house and know that there will be a similar problem (or assume as much) would it be worthwhile shortening the pipe by someway and replacing this with a flexible hose or similar?

Any advice appreciated!

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1. Tighten the fill valve inside the cistern first by the white plastic nut underneath. There is usually enough "wriggle room" on the copper pipe to connect.
2. If not, best way is to un-solder connector from end of copper pipe, shorten pipe by required amount, solder new connector onto copper pipe, slacken valve white plastic nut, connect, re-tighten valve and tighten connector.
3. If you don't fancy that, do as you suggest, but not requirement to have no kinks or sharp angles or twists in the flexible hose. Make sure isolation valve is not removed.

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