Hi John:
I have had a sealed system in my work premises for some 20
years, purely for
16 radiators on the ground floor with a conventional
vented system with 10
radiators and hot cylinder on the first floor.
I have always had the same problem as you with the sealed
system, and no
sign of leaks.
One important point is to make sure the pressure vessel is
kept topped up -
this should be shown to you by the installers.
The reason for the boiler rattling will be because of
build-up of gases
which will accumulate in the high point or points of the
installation.
David
-----Original Message-----
From: access-uk@xxxxxxxxxxxxx
[mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of
John Wilson
Sent: Tuesday, April 08, 2008 4:04 PM
To: Access UK
Subject: [access-uk] O/T but does anyone on the list have
an Ideal Isar
combi-boiler?
Hello All,
Sorry for the O/T posting but I'm sure that some people on
here will be able to compare notes and give valuable
feedback.
I have had an Ideal Isar combi-boiler now for a year and
am
of the opinion that the pipework may be leaking under the
downstairs floor boards. Other people I have spoken to
(but
with different boilers) tell me that they rarely, if ever,
have to top up the pressure in their central heating
system.
However, I find that I have to do this every three or four
weeks. The pressure will have fallen from the recommended
1.5 bars to only 0.5 bars or even lower, causing the
boiler
to become noisy with a vibrating effect.
Does anyone else find this to be the case with these
boilers
and systems? I am about to report it to the fitters but
wanted to know what the norm for the frequency of pressure
top up of these systems is firstly from any other users.
All contributions appreciated.
John.
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