Help how do I remove the Thermostat head from Radiator

Jenhugs · 17 Dec 2007

Hi All,
We have a cold bedroom radiator, and from all the previous posts I can see that it is more then likely the valve is stuck. However I cant get off the thermostat cap. Any help would be much appreciated as it is freezing....

gas_man_gaz · 17 Dec 2007

they norm jus screw off but some hav a screw in the side to make like a clamp

Slugbabydotcom · 17 Dec 2007

Theres some crap giacomini ones kicking about. They have a ring that needs prising away from the brass part of the valve.
Whatever type it is, it will be best to set the valve to its highest setting. Usually #5 before removing it and when putting it back on again

Jenhugs · 17 Dec 2007

Thanks everyone, why are these things made so difficult? Still can't get it off, it definately doesn't screw off, and can't see a little screw anywhere. I know if I can just get it off then I will be able to sort it.
Thanks again

JohnD · 17 Dec 2007

try a photo

Jenhugs · 17 Dec 2007

Wow I finally worked out how to get it off the bolt underneath as someone suggested. Husband now working on it, can't work out how to get the valve back in now he has pulled it all the way out. LOL can you tell he is an accountant

JohnD · 17 Dec 2007

do you mean the pin?

have you pulled it off, or is it just fully extended?

Jenhugs · 17 Dec 2007

Lol John this conversation is turning into dirty talk

Husband pulled it all the way out by accident, instead of just a bit doh, so we have got it back in but can't get it any lower, so now can't get the bloody thermastat back on. At least the radiator is on now, just can't control anything lol. Wow we are so crap at DIY!

JohnD · 17 Dec 2007

so did he just extend the pin, or did the pin come away so it was no longer attached to the valve?

Jenhugs · 17 Dec 2007

sorry John, he pulled the pin out so it was no longer attached to the valve. Basically he was holding the pin in his hand, he has now stuck it back in but won't go all the way in. Have we do some serious damage now?

JohnD · 17 Dec 2007

buy a new valve.

is it a sealed (pressurised) system or do you have a small Feed & Expansion water tank in the loft?

Jenhugs · 17 Dec 2007

Well we don't have a water tank in the loft, think it is a combi boiler.

JohnD · 17 Dec 2007

Then you may get away without draining down. when you are ready to change the valve, shut the lockshield valve at the other end of the rad, open the drain cock enough to relieve the pressure, when it stops, put a bowl or emulsion roller tray under the rad valve and unscrew the old one. A couple of bucketfuls of water will come out but it should be slow enough that you should be able to catch it in the tray and empty it into a bucket.

you will have to repressurise it later.

or you can wait until summer comes.

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Help how do I remove the Thermostat head from Radiator

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