Trane KIT 15815 ignitor and control board kit
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Worked fine just pay attention when you install the wiring
Lucky to have two identical furnaces, so diagnosis was easy by swapping parts. Diagnosed problem as bad board, old one was 15 years old and did everything EXCEPT open the gas valve. Not hard to replace, just go one step at a time. DIP switches are different numbers, just read the instructions. Be aware the Tstat connections are in a different order, so be careful. Plugs are in different place too, one just barely reaches but it does fit. Very happy with Keith Specialty too. Great price and shipped same day!