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  1. D

    Vaillant Ecotec 418 in a sealed system

    Okay, thanks very much Spike. Will return to bleeding and swearing at the god of plumbing. :)
  2. D

    Vaillant Ecotec 418 in a sealed system

    Thanks for the reply, spike, much appreciated. It's not so much collecting air, though, as much as it's never been completely filled. The plumber himself says he can't see how the people who put our system in in the first place ever got it filled, given the layout, which involves a looong run of...
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    Vaillant Ecotec 418 in a sealed system

    Hi all, Complete plumbing novice here, so please be gentle. :-) We have a sealed CH system, and recently had our boiler, hot water tank and pump replaced. Since then we've had the devil of a time getting air out of the system; it constantly finds its way to the boiler, which then races to...
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