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  1. K

    How often should an expansion vessel on a combi boiler need repressuring?

    We have a Worcester greenstar junior combi boiler which, according to the paperwork we got from the previous owner of the house, was fitted in 2012. We had to get an engineer out early in 2016 to repressurise the expansion vessel as the cold pressure was below 1 bar but hot pressure up to over...
  2. K

    British Gas RC plus thermostat- change to 5-2 mode?

    We have a British Gas RC Plus programmable wireless thermostat -but I think it's actually a Drayton Digistat +3RF that's been rebadged by BG. BG had set it up so we had one set of timings for weekdays and one for weekends i.e. in 5-2 mode. We had to change the batteries the other day and now...
  3. K

    Bosch Classixx washing machine leaving white powder marks

    I have a 4 year old Bosch Classixx washing machine. Lately I have noticed white powder streaks on the clean laundry as if the rinse is not working very well. What might be the cause and can I fix it easily? Or do I need a repair person?
  4. K

    Intermittent burner lockout on a Vaillant Thermocompact

    I had a Vaillant Thermocompact boiler fitted last October- it was the only model still available to be installed in our communal flue (a SE Duct). A couple of times over the winter I found it had locked out with fault code F29 (something about the burner going out and not relighting quickly...
  5. K

    Troublesome three port valves

    In Oct08 I had my old Myson boiler (on an open vented system) replaced with a new Vaillant system boiler (on a pressured system). Ever since then I've had problems with the three port valve. Intermittently I find the heating won't come on because the valve won't wind fully into the heating only...
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