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got prob with vaillant VCW GB 242E,282E?

HAVE GOT HOT WATER BUT NO CENTRAL HEATING.
Mr David Kembery, July 2007
This could be a number of things, the diverter valve, servo valve, no signal from the heating controls, although the most likely the servo valve is not switching back from hot water mode correctly

gary.wright53@googlemail.com, July 2007
link Click here to see other fixes for Vaillant.