I've got a suspect differential pressure switch (hot water goes from hot to cold, the diff press switches on the main gas valve which heats up the water when this goes off my water goes cold) on my vokera 20/80 rs flowmatic boiler and want to purchase a spare, do you know where I can get one?

Geoff, August 2007

where can i the black plastic facia panel for my 20 80 flowmatic boiler from

nick leicester, October 2010

Probably trouble with the diaphragm in the Domestic Hot Water
Manifold. New diaphragms easily obtainable on-line for about £5. They're a bit tricky to fit so refer to manual on Removing Domestic Hot Water Manifold.

Helper, November 2007