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I have had my alpha CB/28 combination boiler in for three years, but have just found out, that when this was put in the central heating system was not flushed out, and rust from the rads has got into the boiler. I have had to have some new parts but the boiler had a five year parts and labour...

I have been told I either need a power flush or a sulution put into my system left two weeks to let it desolve the gunk and then drain it and re-fill it or a full power flush. my boiler is clogged up so the engineer as told me, a spring that lets the water go to the central heating cystem is...

Done that, and they come on, but when I turn other radiators downstairs back on these two go off again, also when I turn upstairs rads back on the downstairs stay on, but no where near as hot as upstairs. I have tried balancing them by turning upstairs once to minus quite a bit more, and...

I have turned upstairs rads off and am getting most of downstairs rads hot except the 2 furthest from the boiler.

I have a 3 year old alpha CB28 combination boiler boiler which is in the loft, but the radiators are much older. My problem is the 4 upstairs radiators are hot,downstairs the kitchen and hall radiators are hot, but the lounge, dining room and study radiators are luke warm, and the...