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faulty vokera?

excell 80 sp heats 2 40 then cuts of after while cuts on again
john, December 2010
hot-cold-hot DHW cycling, with the boiler cutting out with a click, is almost always a dirty venturi for Vokeras of this age. Job for corgi man although not difficult. Google >flue venturi vokera< for more.

c, December 2010
link Click here to see other fixes for Vokera.