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Re: OT: Anyone know anything about combination boilers?
- To: ukha_d@xxxxxxx
- Subject: Re: OT: Anyone know anything about combination
boilers?
- From: patrickl@xxxxxxx
- Date: Sat, 09 Jun 2001 10:47:31 -0000
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
--- In ukha_d@y..., "Mark Hetherington" <mark.egroups@m...>
wrote:
> I had a combination boiler installed 3-4 years ago when I replaced
> the central heating system. It has been fine until a few months ago
> when it became increasingly difficult to get a decent flow of hot
> water. Now that the heating is off for the summer I have noticed
that
> the boiler is heating the radiators to a very high temperature
while
> I am getting tepid hot water from the taps.
Similar symptoms, different boiler.
In my case it was the changeover valve which was stuck. This valve -
internal to my boiler - switches heated water between either the
radiator circuit or the hot water taps circuit.
When stuck in the heating position, attempting to draw hot water from
the boiler will warm the radiators - continuously in my case (I don't
understand why) - and when stuck in the hot water position, your
heating won't ever come on.
The major difference is that you seem to be getting _some_ hot water -
whereas I got none. Perhaps it's possible for the valve to jam in a
part-open position?
The plumber/builder had several goes at diagnosis, failed miserably,
and in the end the boiler manufacturer sent out an engineer who fixed
it in 15 minutes under warranty...
Patrick
____________________________________
Automated Home UK
http://www.automatedhome.co.uk
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