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Question About Armstrong World Industries Furnace ultra sx 90
I have an armstrong ultra sx 90 and the ignitor is...

I have an armstrong ultra sx 90 and the ignitor is showing a flame but the burners won't light the furnace keeps ticking but will not come on

Asked by christina on 01/14/2012 0  Answer

ManualsOnline posted an answer 12 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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