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I'm on draining the system and it seems the downstairs rads are all fed from vertical pipes from above since the all have drain valves fitted. I got a radiator key from Screwfix buts its a slack on the drain valves and can't loosen one valve. Is there a better key to be had?
Also, have a drain valve on the pipework that feeds two conservatory rads but when I open the valve there's only a drip so is there a way unblock the valve or will I have to fit one of these to the rad?
Also, have a drain valve on the pipework that feeds two conservatory rads but when I open the valve there's only a drip so is there a way unblock the valve or will I have to fit one of these to the rad?
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