Oddly, I had a Vaillant which was the most unreliable POS I've ever experienced, and the Alpha that replaced it (reccomended by a heating installer) has, so far (~4 years?), been reliable (crosses fingers). One look at the rat's nest of jumbled wire in the Vaillant's control box didn't exactly give me confidence. Mind this wasn't helped by the fact that only proper Vaillant engineers seemed to know how the bloody thing worked.
In message , "Dave Plowman (News)" writes
No - to repair the boiler
rads would be a follow on from the "need" to upgrade the boiler
In message , Doctor Drivel writes
What use is a steep water filled valley to a ford fitter?
Intergas and Atmos are simple, well made and highly reliable. Intergas are making headway in the UK.
I like the idea to [insert a plate heat exchanger between the boiler and the rad circuit with full-bore isolating valves for removal and cleaning. ] and to desludge and keep the existing radiators, but is it worth servicing the Alpha240E (£200 ish for a circuit board) or shall we chuck it and replace it? [g]
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