We have changed the thermocouple (well my plumber, corgi registered pal has), and it is not that. The pilot will sometimes light but does go out after a few mins or after a day, it is very tempermental. But when it does go out you hear and audible 'click', now he seems to think it could be the 'Limit thermostat', any opinions would be very handy. Cheers. The boiler is about 20 years old and part of the family !!!
Myson Economist - Pilot cutting out (not thermocouple !)
- Thread starter Passat
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namsag
Possibly dirty pilot/ limit stat or limit stat connections to gas valve or even faulty gas valve if there is no loud banging before pilot trips out i would not suspect pump or boiler stat failure.
There is no banging, just a very solid ''click'', it does seem ''electrical'', but given my boiler is 20 years old, and having seen inside it there does not seem very much ''going on'', it does not seem anywhere near as complex as a combi, but thanks for the steer.
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is pilot fully on the thermocouple
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