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Posted by Susan on February 26, 2005 at 15:25:22:
In Reply to: Re: boiler cold start mystery posted by Manny Silva on February 25, 2005 at 16:05:50:
: Susan,sounds like your thermocouple is going bad,when this happens the unit will keep trying to heat the thermocouple until it reaches full extention to keep pressure on main gas switch,if this is getting weak,it will just keep trying to fire until one of the times it works,it will fail completly soon.7 years is about there life time
: Hope that helps
: Manny
Thanks so much for this quick help. I phoned and related your idea to a local gas technician, but he said my boiler, unlike other pilot lighting system, has an electronic ignition 'hot-plate' which wouldn't require thermocouple at all. So he said we're stuck! 8-(