"Dave Plowman (News)" wrote in message
...
In article ,
IMM wrote:
Yes,why oh why do combi installers chuck out a perfectly usable
cylinder,especially in large family houses?. My view for family
properties is to keep the cylinder,feed it from the combi,obviously
make sure things are well insulated/controlled.

This that is your view you should change it, as the cylinder will burst.

Strange. I know of one system

snip tripe

Please do not comment on fields you have no experience of.