Pressurised Radiators

Dallas · Posted: Tue Apr 24, 2007 7:12 pm Post Subject: Pressurised Radiators

Do I bleed pressurised radiators? The upstairs ones always seem colder at the bottom than top?

chrishutt · Posted: Tue Apr 24, 2007 7:19 pm Post Subject:

Why do you think you need to bleed the rads? If there was air in them they'd be cold at the top. What temperatures are the flow and return connections?

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corgiman · Posted: Tue Apr 24, 2007 8:21 pm Post Subject:

mmm sludge

oh dear

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gas4you · Posted: Tue Apr 24, 2007 8:50 pm Post Subject:

right on corgiman!

Cold at bottom = sludge

Cold at top = air in rads

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chrishutt · Posted: Tue Apr 24, 2007 9:29 pm Post Subject:

gas4you wrote:

Cold at bottom = sludge

Not necessarily. It may just be poor circulation. That's why I asked about flow and return pipe temperatures. Sludge would be indicated only if the return was close to the temp of the flow.

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