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start-up with bangs.

Posted by Charles Wootton on March 31st, 2001 05:59 PM
In reply to Lennox furnace problem by Rose Basel on December 15th, 2000 01:46 PM [Go to top of thread]

0 of 1 people found this post helpful

My furnace is natural gas fired. It tries to start up
but there is incomplete combustion (yellow flame)
and an explosive bang, then a few seconds later
it tries again with the same results.

The technician spent all afternoon, did every
conceivable test, even on the thermostat and
found nothing wrong. I wa ironing clothes in the basement
at the time.

He statrted it several times with no problem, then
when he went to go with my check in his hand for
170$, I had to call him back again. He still
found no faullts, but would be willing to sell me
a later model furnace.

I think it may be a low voltage problem, because when I turned
the Iron off, it didn't bang. Too it might
be a bad batch of gas coming down the pipeline.

I am about to upgrade to 100amp service, perhaps
that will help.

Strange beasts thos gas furnaces.


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