I have a Modena 102 combi boiler, the heating keeps cutting out and i have to reset the switch, but it only runs for about 5 seconds and then stops again, the pressure is between 1-2 bar, the hot water give me the same problem but not as bad. can you please help. Thanks.
Most likely cause is the temp sensors have failed. This is a weak point on the Modena 80 and 102. Part number is 800320 and they are £15.47 +VAT the pair.
Other possibilities are restricted flue outlet, faulty fan, faulty flame sensor or possibly overheat cut off, or limit thermostat.
Sorry i can't be any more specific, but it could be any of the above.
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