Re: [OT] Thermal Stores for hot water/heating

["Andy Davies" <dajdavies@xxxxxxxxx>]

We've got a thermal store and we wouldn't be without it, we're also in
a
hard water area...

I remember reading a suggestion a few years ago in one of the self build
mags that you should either find a plumber who can do what you want or go
with what the plumber suggests - they gave the example of a plumber who was
used to working with copper pipes, installing polypipe and instead of
installing it in long runs, cut and joined it as he would for copper pipe!

On 29/05/07, Jonathan Shaw <semi.jon@xxxxxxx> wrote:
>
> I read a lot about hot water cylinders before talking to plumbers and
> decided that with underfloor heating + radiators & a condensing
> boiler that a thermal store was the best option as theory is that
> even when heating the house (rather than water) the themal mass of
> the heatstore gives the boiler something to work on and
> prevents/reduces boiler cycling/ inefficiency associated with
> condensing boilers and zoned heating whre only one room may be
> calling for heat.
>
> None of the (getting on for 10) plumbers I have spoken to think this
> is a good idea.  All generally vague reasons that seem to centre
> on "I fit what I know" rather than listening to customer; oh
and the
> annual service for the pressure relief valves needed for unvented
> cylinders, nice litle earner.  One suggested in hardwater areas the
> heat exchanger would calcify, but Googling doesn't seem to back this
> up.  Naturally eh suppliers (Chelmerheating, Nu-heat, Gledhill) all
> deny this is a problem.
>
> Are there any heating engineers on the list that can offer advice?
> Or anyone with a thermal store in a hardwater area?
>
> TIA
> Jon
>
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--
Andy


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