Sandy asked ... Replace vertical gear on Singer Fashion Mate 252?    |    Blaablaa asked ... How can I fix?    |    pete asked ... Flymo 330 turboglide?    |    keith asked ... Fuseboard( s) location of renault trafic t1100 1993?    |    Janet asked ... Neff B1641 door not closing at top?    |    Click here to ask your question

vaillant vc gb 142 e?

when the hot water only is on the central heating comes on as well
A STOKES, November 2011
Probably a diverter valve issue, seeing as you're quoting a vc rather than a vcw, the diverter will be external to the appliance.

Carefree, November 2011
link Click here to see other fixes for Vaillant.