Radiator


Postby darrenblu » Sun Nov 18, 2007 6:44 pm

I have a radiator which i need to remove so i can decorate. My problem is that i only have one valve and on all the info I can find states that ther should be one on either side. How do i drain it because when I turn the one valve off ther still seems to be water pressure, Ive also tried turning off all the stop valves i can find in the house. Your help would be much appreciated.
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Postby canny » Tue Nov 20, 2007 9:36 pm

You will need a valve both ends to remove rad .The valves isolate the rad, stopping water entering and leaving.
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Postby stevenc1603 » Tue Nov 20, 2007 11:50 pm

You should have a normal valve at one side and a lock shield valve on the other. With the lock shield one you need to remove the screw which allows you to take off the cover. You can then use a spanner or equivalent to close the valve.

Make sure you know how to fill the radiator circuit back up as there are different types.
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Postby Radwiseguy » Sat Jun 14, 2008 7:43 am

[quote="darrenblu"]I have a radiator which i need to remove so i can decorate. My problem is that i only have one valve and on all the info I can find states that ther should be one on either side. How do i drain it because when I turn the one valve off ther still seems to be water pressure, Ive also tried turning off all the stop valves i can find in the house. Your help would be much appreciated.[/quote]

Realise this is a bit late but only just seen it, you probably have what is known as double entry, or twin entry radvalves, you will have 2 x pipes connected to the same valve at one end, these valves are a bad idea hence you dont see many of them, to take off the Rad you have to turn off the control valve which you have already done, and next to this is on the valve is a small round cap, unscrew this and it will reveal an allen screw ( M8 I think) using suitable allen key screw this down in clockwise direction and Rad should now be isolated, to check open airvent first and check no water is coming out ( wait for at least 15 seconds and importantly close before next step) if this is ok undo the nut between Rad and valve and water will escape of which you have to try and somehow catch, you wiil find inside the rad a long length of 10mm? pipe which is comnnected to the valve, recconect when refitting the Rad.
My advice is Alter your Radiators to 2 x seperate valves and Buy some Radclamps for the future this makes taking off Rads a doddle with no mess. Good luck.
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