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  1. J

    Worcester Highflow 400 BF

    Paul meant to ask - do you have any experience of fitting a Magnaclean to a combi system - do they reallly work? Cheers jimmyg
  2. J

    Worcester Highflow 400 BF

    Paul Watching the plumber who installed the system he used 10mm pipe sheathed in a plastic coating, because he said we needed this as the ground floor was concrete flooring. I did ask him to box all the piping in wooden shuttering in case of a leak or we needed to replace any of it - even...
  3. J

    Worcester Highflow 400 BF

    Thanks to all for the comments/advice. Agile - take exception to this comment, I realise it is not just a matter of slinging in more inhibitor - by the way that advice came from a Corgi registered heating engineer - so much for professionalism! The house was brand new so all the...
  4. J

    Worcester Highflow 400 BF

    jiminblack Gave up in the end and called out WB. Very efficient came out the next day and it took him two and half hours to replace the exchanger (with lots of molykote! and he made it look so easy) plus he also replaced both the manifolds - and no there was no filter in the top manifold...
  5. J

    Worcester Highflow 400 BF

    jiminblack - Thanks for the info, will try that first and let you know how I get on. Cheers Jimmyg
  6. J

    Worcester Highflow 400 BF

    Jiminblack - do you mean the filter that sits in the waterfilter housing between the mains cold water inlet valve and the flow switch body?
  7. J

    Worcester Highflow 400 BF

    Many thanks to all of you for the replies: Scatmanjohn - You could be right, I may well regret it, but without sounding boastful I do consider myself a competent DIYer having rewired houses (can't do that anymore without Part 4), fitted kitchens, bathrooms, showers, did most of the...
  8. J

    Worcester Highflow 400 BF

    My Worcester Highflow 400 BF was installed 6 years ago in our new house and has broken down at least twice every year, the most common expensive item which fails being the DHW Heat Exchanger at over £200 to be replaced! After the fourth time of having this replaced (the system has been charged...
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