"Chris Harris" wrote in message
...

The Tristor is a solar thermal store. This is quite different to the
Tornado unvented cylinder. It uses mains pressure water for the whole
house, but the operation is fundamentally different to an unvented
cylinder. An unvented cylinder cannot be DIYed, a thermal store can.

hmmmmmm Rubbish.

Not so.

I know plenty
of people that have DIYed an unvented
cylinder.

You have to be BBA approved to fit an unvented cylinder. Do it yourself by
all means and if you have a burst, and when they go they really go with much
damage, an insurance company will not touch you. With most you need an
annual service. Once again, no service, no pay out.

It's just plumbing, as an old plumber
once said to me "all you
need to know to be a plumber is that SH*T
stinks and P*SS runs downhill".

He referring to drains then, which plumbers are good at. Heating appears to
have flown past most of them.

The thermal store in the brochure, under the
TSS system is unvented. Fair
enough if it's meant for storing solar
heated water.

Once again, a thermal store can be pressurised (unvented) and this has be
fitted by a BBA approved fitter/plumber. There are vented thermal stores,
the most common, and these can be DIYed.

The house is four bed, two bath, two
story. approx 11m square (approx 240m2)
with 2.8m ceilings downstairs, normal 2.4 upstairs.

What are you doing to the house? Do you want tanks out of the loft, the
thermal store in the loft to make more space? ???

Go for a vented heat bank, not a thermal store, much better than an unvented
cylinder.

http://www.heatweb.com
http://www.range-cylinders.co.uk (to th thermal storage)



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