by plumbbob »
Wed Mar 11, 2009 10:17 pm
Well, you have got to drain the whole system which I cannot comment on as you have not given any info.
Once drained, the compression nut can be undone, and the valve removed, but this still leaves the nut on the pipe which actually, is not much smaller than the valve. Removing the nut means new olives have to be bought, and consider also, it is really easy to damage the pipe.
Frankly, I would avoid this route. I know what you are saying, but draining and filling is at the best time consuming and the worst, no heating and more posts to this forum!