Recent content by jl81

  1. J

    adding bigger pipes to 8mm system

    Not 100% sure. Hunks are encased in plaster Think maybe 8-10m from manifold. Wouldn’t that flag on other radiators as well though? It’s just this one that’s a pain.
  2. J

    adding bigger pipes to 8mm system

    Sorry it gets warm. We know heat is getting there and with the radiator off there isn’t any restricted flow from either pipe that we can see. Starting to wonder if giving a chemical clean might be an idea.
  3. J

    adding bigger pipes to 8mm system

    No. No matter what we did. It’s 2.4kw. Which is why I’m wondering if it’s too big for 8mm.
  4. J

    adding bigger pipes to 8mm system

    Tried and it flows fine & crystal clear.
  5. J

    adding bigger pipes to 8mm system

    a hair better if anything. rad is 2.4kw btw. & tried balancing also nope. all are dialled down, this is wide open with hot inlet stone cold return, - and no obvious restricted flow on either.
  6. J

    adding bigger pipes to 8mm system

    hey, we have a pressurised microbore 8mm system and combi boiler - for 90% of the house - perfect all piping hot. 1 radiator (1.4mx50cm double) gets warm-ish and stone cold at bottom. there dosent seem to be any restriction to flow with the radiator off and the system has been cleaned...
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