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  • Is your boiler down low or up high?

    Out boiler is in the loft and the return, uphill, side of the house has cold radiators. I am told it is due to gunk collecting at the bottom of the loop and robbing heat from the water.

    I need to install a filter apparently, but that means ripping out the carpentry in my cellar.

  • If it is a gunk problem then a quick flush and proper inhibitor should resolve it. First I would balance the flow/heat output of your radiators. That should compensate for moderate gunk problems or show if there is a serious gunk problem. The general advice is for a filter close to the boiler on the return side, so avoiding carpentry in your cellar.

  • Is in kitchen, ground floor.
    Only have 2 floors.

    I think it's something to do with having two massive rads in the back room (living room).
    I think the flow goes boiler, split, upstairs front, downstairs hall, upstairs back rooms, downstairs.
    but fuck knows. I'm not a plumber.

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