Why Does Radiator Heat Up Then Go Cold?

courage best · 22 Jun 2010

The radiator in my kitchen heats up perfectly when the heating first comes on. Then it goes cold and stays cold for the rest of the time that the heating is on. Its been like this for 3 years, but after last winter I think I need to get it sorted.

Its a combi boiler. Any ideas appreciated.

htgeng · 22 Jun 2010

courage best said:
The radiator in my kitchen heats up perfectly when the heating first comes on. Then it goes cold and stays cold for the rest of the time that the heating is on.
Its a combi boiler. Any ideas appreciated.

Dodgy thermostatic valve. Replace it with a Danfoss RAS-c and report back. Don't buy cr@p cheap valves that the DIY sheds sell.

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Why Does Radiator Heat Up Then Go Cold?

courage best

htgeng

DIYnot Local

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