when boiler fires up and gets to temp when it shuts off pilot clicks off and wont relight when its cooled down will light again any ideas already changed thermacouple
either your pump is shot,or the header tank in loft is empty or the pipe from it is blocked where it join's the pipework in the airing cupboard,your boiler is over heating and the pilot is being cut out by the over heat stat.
simon carter
December 2012
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