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Question About Lennox International Inc. Furnace g2003/4e-100-1
thermosensor...

gas valve wont ignite

Asked by gary on 10/26/2008 1  Answer

ManualsOnline posted an answer 16 years, 1 month ago

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

adam posted an answer 15 years, 8 months ago

0 I have a friend with this same problem. The ignition board is grounded. I replaced the board and it works fine. If it fires up on the pilot and continues to spark then u have a bad thermocouple. If you dont here it sparking then you might have a bad ignitor, check for voltage at ignitor board and the ignitor pin coming off the board. If you hear sparking and no pilot turns on check to make sure your spark is facing on a 45 degree angle overtop of the pilot itself.
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