10yrs for an expansion vessel, that seems like it did well. Considering the amount of work they do, I don't think it is that bad at all.
Why would 10 residents change them just for the sake of it, that is like saying ten people have the same car. Then after 10 years the alternator goes on 1...
There's probably a parts centre, part of the wolesly group nearby somewhere check there website www.partscenter.co.uk/.
They may have them in stock.
James
The small hairy plate is the burner, and it is very important to be located correctly or you could end up with explosive ignition.
Think you should get someone in, who knows what there doing.
James
My fault didn't read the 185kw bit, just saw the 135kw.
Brain didnt register the rest. Seen similar though on u16 and seem ok, doesn't make it right though.
James
Its possible that your flow/pressure is low enough that your heater is not able to get rid of its heat quickly enough into the water.
This would cause the heater to overheat and the pilot light to be knocked out by the overheat stat.
James
Sounds like it might be the boiler thermostat, when it switches off can you turn the thermostat up and hear it click.
Or a sludged up heat exchanger not letting heat escape.
James
That does sound like a good deal, but see if they can do a similar deal on a 39c. The price isnt much more but you get a lot better hot water performance.
James
Depends where the boiler is located, if it is at the top of the property with no system above it, you can drain to the level of the boiler.
Or try and air lock the system, or freeze.
James
All Avanta's are now called plus's, is it a combi we are talking about or a system boiler.
Depending on the actual model it could be all manner of things.
James