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  1. M

    Upstairs rads cold - pump at fault?

    I have a Vailiant Combi boiler which has had so many parts replaced over the years, it's unreal but that's another story. It was last serviced in April this year where it had a powerflush, a magntec magnetic filter and all the relevant inhibitors installed. It has been working pretty well up...
  2. M

    Vaillant Combi boiler - how do I remove the heat exchanger?

    Hi all, first post here and hopefully you'll be able to help. First of, I'm used to bits of DIY and reasonably competent at most things so I thought I'd try and fix this boiler problem myself rather than looking at another expensive repair bill. Please bear in mind that I don't know any of...
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