On 13/03/2018 07:53, Chris Hogg wrote:
On Mon, 12 Mar 2018 22:09:29 +0000, John Rumm
wrote:

On 12/03/2018 16:21, Chris Hogg wrote:

TBH, if when making the decision to stick with a new conventional
vented system or go unvented, I knew then what I know now, I wouldn't
have changed. By all means replace the tank if you think it needs it,
but leave all else alone. IIABDFI.

In comparison, I made the change and am very pleased with the (massive)
improvement in performance...

It really all depends on the circumstances...

I'll look forward to that now we've got it installed anyway.


How do you know your heating engineer (and I hope has was,
and not just a plumber) didn't just specify the solution that
gave him the highest markup ?.

For mains pressure tanks he needs an extra certificate that
J Bloggs, overpriced-tap-washers-r-us doesn't have.