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Mate had a similar problem recently.
Bled the (small amount of) air.
No change.Checked the valve on the other end of the radiator.
Inexplicably it was locked shut/off.Opened it up, radiator became instantly warm at the inlet,
and whole radiator too hot to touch within minutes. -
Turn down the thermostatic valves on the other radiators and see if it heats up then. Sometimes you need to balance the flow otherwise radiators get starved. It's a common problem in shared houses where people turn up their own radiators and one or 2 rooms end up without any heat. I'm not very good at balancing them but I've seen plumbers do it to whole houses.
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Has the radiator just stopped working or have you just noticed? Is it only one rad or could it on a separate heating zone within the boiler...
Is it on the end of the pipe run?
Turning the others off is deffo the quickest way to check flow, balancing them is a case of narrowing the rad valves closest to the boiler and gradually having them more open the further down the pipe loop.
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mespilus
Airhead
inchpincher
@Tenderloin
Rad in the hallway isn't hearing up.
All other rads on. Thermostatic valve set to max. All radiators fitted a month ago. There isn't any air in the radiator.
Suggestions?