ARWadsworth wrote:

Swap them live, it takes some balls but I have done it. No guarantees
about the mess but if the room is getting decorated!!!

A mate of mine wanted a new feed to a radiator. The easiest way to do it
was from the tails of the rad in the adjacent room. So I said the
simplest way is to have a service valve ready, chop the pipe with a pipe
cutter and then shove your valve over the pipe. It was a vented system
with only 20' head, so I told him he would not lose much water.

I was working on something else in the house when I heard the swearing.
Went to investigate and found black gunk all over the floor, walls, and
even ceiling! Seems he had a spot of bother. I said, I would do the next
one. First clue was he commented on the fact that I had the service
valve already assembled - with nut and olive in place! It seems he had
cut the pipe, forgot to stick his thumb over the end and then set about
placing the back nut on the pipe first, then the olive, then the valve.
Then found he had left the spanner out of reach!

--
Cheers,

John.

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