One of my house mates has intentionally broke a couple of thermostat radiator valve control heads, so that they are permanently on. I am rather furious that he has done this because the rooms are hardly used and they leak a large amount of heat. He has also done this on the sly hoping that i wouldnt find out.
Fortunately, he has gone on holiday for a few weeks otherwise i would have an argument with him and there would be tension in the house for quite some time. I want to repair these valves before he gets back without replacing them and without calling a plumber.
The control heads are Caleffi 200. The heads can completely rotate between fully off and on but like i said, the radiator is always on regardless of the setting that the valve is on.
This is a picture of the control head
And this is the good piece of documentation i have i have been able to find.
There is a good diagram of the control head on page 3.
Ive tried looking at the control head to see if i can fix the thing but i cant seem to work it out.
Does anyone know how he might have broken the head? And does anyone know how i can the remove plastic shell/housing without damaging it so i can fix it?
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