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Mend Ariston Microgenus 27 MFFI Combi Water Warm

how can i fix my ariston microgenus 27mffi?

Please can you help me? I ve got ariston combi boiler after been on a minute or so, water gets warm the boiler switches off then starts again about 20 seconds later ,i think it could be down to the secondary heat exchanger needs descaling .thanks for help.

steve
January 2010

Ariston Ariston Microgenus 27 MFFI Heating, Home Heating Systems Combi Water Warm

For got to add central heating seems to be working alright.!

steve
January 2010

probably the plate heat exchanger requires replacing and a scale reducer installed to prevent reoccurence. check temp sensors and flow switch first

john
January 2010

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Ariston Microgenus 27 MFFI Boiler Repair