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  1. B

    worcester bosch 34 cdi pressure loss

    If you did as Baz advised and the boiler was non operational the entire time that bag was on the condense pipe then its pretty dead cert. As per Baz call Worcester with your boiler serial number (little white sticker normally on the front or under the flap) and ask if the heat exchanger is...
  2. B

    worcester bosch 34 cdi pressure loss

    Urgh... horrid luck. fingers crossed for you its covered. You will need a fully completed benchmark (at the rear of installation manual) for them to honour it which states it was flushed at the time of installation. Good luck
  3. B

    worcester bosch 34 cdi pressure loss

    I suggest you walk the system and check every radiator for leaks including underneath the valve caps. It doesn't take much to reduce a sealed system to zero in your average 2/3 bed house especially over 4 days!
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