I tried this and it did help, but my main problem was the valve was partly seized in the airing cupboard, so was not fully opened. A bit of WD40 did the trick.
get a rubber glove and wrap it round the mixer tap where the water comes out, hold it tight with hand then gently open the mixer so the cold water can back flow thru the hot pipes, hold for about 30 seconds, this should blow any trapped air into your header tank. Many thanks, I have tried this and ...
I drained the central heating system to replace a downstairs radiator to a towel radiator, and when I refilled the system I have no cold water either in my mixer tap or in the toilet cistern in upstairs bathroom. I presume it's an air lock coming from the header tank in the loft, but have anyone got...
