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how can i fix euro combi sx20?

boiler lights up ok ,but d.h.w does not reach required temperature. ARISTON EURO COMBI SX20 MFFICE

PETER ALLDIS
April 2010

Ariston Heating, Home Heating Systems Combi Boiler Required

Switch boiler to summer mode (heating off). Let everything go cold on boiler, (while you are waiting identify flow and return pipes for heating under boiler, usually 22mm). Turn on a hot tap and then "feel" the heating flow and return pipes. if either of these pipes start to get significantly warm then it is 90% sure your diverter valve is not working correctly, if they stay cool your secondary heat exchanger is not working correctly.

Dumb Plumber
April 2010

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how can i fix euro combi sx20?

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