I am experiencing some issues with my central heating. Here are the details :
Worcester (Bosch Group) 28CDi Combi boiler.
5 radiators downstairs. All with TRV except one
4 radiators upstairs. All with TRV
2 towel warmers upstairs (installed July 2008)
I have a British Gas central heating, electrical and pipe care plan.
The boiler is serviced every year by British Gas and was last done in October 2008.
I was surprised when I bought this house that there was no central thermostat but after reading the boiler manual
I see that a complete TRV system (leaving one radiator without a TRV) is a recognised configuration.
I have bled all of the radiators in the last week in the hope that it may resolve the following issues :
1) The pipes are creaking and go through stages of about 10 minutes
where they 'bang'. The banging can range from once every 2 seconds
upto a tapping pace
2) Some of the radiators do not come on when others in the house do.
Their TRVs are all set on the same setting.
3) Some of the radiators only heat up at the top.
If I adjust the boilers front panel then things get worse. At this time I have the central heating setting on the lowest (non-summer) setting. Anything higher and the pipes go apeshit.
The house is 10 years old and the quality of the plumbing and electrics are certainly questionable. Every winter for the last 3 years the central heating system has persistently had the above 3 issues.
Any pointers or advise on where I go next would be appreciated. I do have the option of calling British Gas out but I want to try a few things myself first. Nothing is broken as such so I am not sure how helpful that could be.
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