For an alternative view see
For an alternative view see
lockshield valve (by counting the number of turns required to close it) when turning it off. Then you can restore it to more or less the same position.
I suspect that, even then, a further bit of fine tuning would be required.
When performing the balancing operation, it helps *enormously* to have a non-contact IR thermometer (costing about 30 quid) - which enables you to zoom round all the rads and to record the flow and return temperature of each very quickly. This makes the iterative process (of progressively restricting the flow to the rads with the lowest temperature drop) much faster than it would otherwise be.
Already there. "3. Record initial LSV positions in case you want to return the system to what it was."
Quite so. In fact I added the following to that part of the Balancing FAQ a few weeks ago :-)
-- Phil Addison The uk.d-i-y FAQ is at
Sorry for re-inventing the wheel! I must admit that I didn't read the updated FAQ before posting.
I tend to assume anyway that people (if they're like me!) will often read in-line text before (and maybe in preference to) following up external links.
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