I've been rejigging the central heating, with a new rad fitted in one cold spot in the house.
I've been using this JG Speedfit plastic pipe (things are a lot easier than they used to be, aren't they!), and have come to the point where I want to join it to some old copper pipe. Frankly, being a bit of a luddite, I dont trust the speedfit coupling on the old grungy copper pipes, and am going to use brass compression fittings with olives etc.
However, when I stick the whizzy Speedfit pipe insert into the pipe and offer it up to the compression fitting, I note that the olive only has about 1mm of pipe to grip because the insert sticks out about 4 or 5mm. This doesnt seem like enough to me - I'm afraid the olive will pop off and flood me out when I am least expecting it!
The speedfit website shows a special insert for use in this situation, BUT nobody seems to stock them - not Screwfit, Gibbs and Dandy, Plumb Centre, or any of the local merchants.
I'm thinking that there must be a 'work around' that the trade use. Anybody know what pro plumbers use for the insert when they're connecting Speedfit into a compression fitting?