"Dave Plowman (News)" wrote in message
...
In article .net,
Doctor Evil wrote:
It's rather down to luck. Sometimes they're well and truly stuck. It's
usual to slacken them with the tank still full of water which holds it
steady. But of course if the cylinder splits, you've got a problem.
;-)

Useless advice.

But near enough the

Cut babble

If it doesn't move, then use a blowlamps and heat the
copper around the old immersion. This expands the metal and the brass
immersion slips out.

You'd have to expand it a long way before the immersion would 'slip' out.

A senile man who twiddles knobs for a living. Sad but true.