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Mend Ariston E33/E34 Home Heating Systems

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Mend Ariston E33/E34 Combi Boiler No Hot Water Error Code

E33/E34 code and not hot water?

My aristion combi keeps showing this code; how do i fix it

wendy
August 2009
AristonAriston E33/E34Heating, Home Heating SystemsCombi Boiler No Hot Water Error Code
thank you Ian

wendy
August 2009
E33 & E34 codes indicate a problem with the air pressure switch, i'd guess that it was sticking if you are getting both codes. However it may also indicate a problem with the fan, pcb or wiring harness. Get a qualified engineer to have a look at it, the air pressure switch would be my first suggestion to try replacing as it'll be the cheapest.

Ian
August 2009
Micro Genus 28 HE MFFI Combi Boiler

Wendy
August 2009
what model of ariston?

Ian
August 2009
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