Recent content by AndyMH

Hi, We are having lots of problems with our boiler at the moment and not getting far with the people I've had out to it. I'm hoping someone with experience of these boilers can give me some tips on what too look for / report. Its a Vitodens 200 WB2B, almost 10 years old, lots of problems in...

We have had yes, each time the exhaust analysis has been in range so nothing adjusted, just condensate cleaning out, spark electrode gap checking and flame probe cleaning. Last couple of years haven't bothered as basically we've had just as many problems without service as with. The electrode...

In defence of the boiler I don't think the installer really knew what he was doing, he spent 3 days installing it most of the first 2 were flushing the system and most of the 3rd was on the phone to Viessmann! The F4 fault is the real pain, as you tend to get them on cold frosty mornings like...

Thanks, will give them a try, hadn't considered it as they have been spectacularly unhelpful in the past!

Hi, Are there any Viessmann experts out there who could give us some idea why I cannot change out the weather compensated control unit for the standard one? We have a Vitodens 200 WB2B with weather compensation which we have had for approx 7 years, its been nothing but trouble - started with...