heating being used for a few weeks now , following being off for maybe 5 months
whats best procedure to bleed effectively as most radioators ( 8 ) seem to have a cold patch
should i turn off all upsatairs and bleed downstairs or vice versa etc
heating being used for a few weeks now , following being off for maybe 5 months
whats best procedure to bleed effectively as most radioators ( 8 ) seem to have a cold patch
should i turn off all upsatairs and bleed downstairs or vice versa etc
bleed anything with a cold top
Don't turn anything off, just bleed them. If it's a sealed system, you may need to top it up between radiators, particularly the higher ones, and set the pressure right when you've finished.
In article , Andrew Gabriel writes
Well, don't turn anything off except the boiler demand, you don't want the pump running during bleeding (just a clarification for noobs).
Because depending on system design and location of the pump (return or flow) you may find yourself sooking air in rather than bleeding it out.
Not with a pressurised system
Whatever you say dear . . . . .
Oh. I see. You are one of these modern chaps who thinks that pressurised containers will suck air in if punctured?
How quaint?
Do you believe in AGW, renewable energy, perpetual motion, cold fusion, electric cars and magic pixie dust as well?
Sorry to burst your bubble but pixie dust does exist (according to IBM)
In article , fred scribeth thus
Yes good point that, seen it happen more then once in various locations...
tony sayer wrote in news: snipped-for-privacy@bancom.co.uk:
Surely the water pressure (head) is always greater than atmospheric pressure.
Indeed. It only happens when people have header tanks that cant replenish as fast as they are bleeding.
The local head is not always the same as the average head in a system. In particular, the input of a pump may well run at below atmospheric pressure even if there is a significant static head.
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