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potterton combi 80 boiler ?

my potterton combi 80 boiler heating side is not working. the water is very very hot
jay naik, February 2009
sounds like it is ur diverter valve.
i am a heating engineer based in london.
combirepairs@googlemail.com

combiguy, February 2009
link Click here to see other fixes for Potterton.