Radiator comes on, but doesn't stay hot?

Postby stoneyloon » Tue Nov 06, 2007 6:26 pm

As the title says, my mother-in-law's radiator in the lounge comes on with all the others, however after a while it seems to cool down, leaving the room to cool down.
There is no central thermostat, so it can't be that.

Please help as her constant nagging is doing my head in!!!!! :twisted:
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Simply Build It

Postby Mac-the-Wrench » Fri Nov 09, 2007 10:53 pm

If it has a TRV, take off the valve head (the part that turns up the heat) and tap the pin that's underneath. Once the pin is loose and moving properly the heat should come through again.

Don't hit the pin too hard or it could be damaged.
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