I need a replacement part for the above geyser. According to the Vaillant Part manual supplied to me by Vaillant UK for the "Main component 02 Gas Value, I am looking for item 21 Article Nr 28-0854 Part description "Handle" which includes parts 19,20,22-25 as indicated on the parts diagram.

Can you help inlocating such a part.

The geyser is qute old

Thanks

John Davis, August 2009