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What's wrong with my Vokera combi boiler?

Vokera 24 ~ 96 R.S.E. Automatic
Boiler will not ignite for hot water (most of the time) I have to switch the heating on to get hot water.
Started doing this occasionally then got worse & worse.
Damien Greenwood, July 2006
Sounds like your diaphragm has perforated on the water-flow switch.

ccMods, July 2006
link Click here to see other fixes for Vokera.