when i switch my boiler on the fan comes on and after 5 sec it goes off then it will do it agian and so on but it will not start up is it my air prussure switch or what ? ? ? PLEASE HELP ME
yes, sounds like either the air pressure switch is not making, or the venturis ore blocked or damaged. Failing that your fan may have lost pressure and need replacing, also check your outside flue terminal is not blocked
T
April 2008
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