Bottom of radiator is hot but the top is cold

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Bottom of radiator is hot but the top is cold

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aled

Post subject: Bottom of radiator is hot but the top is cold

Posted: Fri Jan 20, 2012 11:22 am

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Hi,
I have a radiator in an upstairs bedroom which is hot at the bottom but cold at the top. I have tried bleeding the radiator but no water comes out of it once the whistling noise has finished. I must have left it open for about 10 mins but still nothing happened. All other radiators in the house a boiling. Any suggestions as to what I could try?#

Thanks in advance
Aled

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thescruff

Post subject: Re: Bottom of radiator is hot but the top is cold

Posted: Fri Jan 20, 2012 11:47 am

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Air and a water shortage.

If you have a sealed system check the pressure and top it up to 1.3 bar.

If you have an open and header tank, check it has water init.

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aled

Post subject: Re: Bottom of radiator is hot but the top is cold

Posted: Fri Jan 20, 2012 2:42 pm

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Thanks for the reply. I have an external combi boiler so would I find the pressure gage on here?

Thanks again
Aled

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thescruff

Post subject: Re: Bottom of radiator is hot but the top is cold

Posted: Fri Jan 20, 2012 2:52 pm

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Makes and models please.

How do you fill the system, need information.

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moggridgeplumbing

Post subject: Re: Bottom of radiator is hot but the top is cold

Posted: Fri Jan 20, 2012 6:31 pm

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Have a look at the boiler front for a pressure gauge. Also make/model helpful. :-)

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