Suburban furnace yellow flames
First time I tried the furnace (Suburban NT-20-SEC) in my T12SC, it would spark but not light. Troubleshooting led me to a defective gas valve, which I replaced. The furnace now works fine, but the flames are a bit yellow.
My questions are: how much yellow is normal or acceptable? And other than ensuring full air flow is there anything that can be done if it needs adjustment?
Video through the inspection port attached. The flames along the burner are bright blue, but as become more yellow as they get farther away.
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2012 T12SC
2011 Grand Caravan
Doug VA3DMR
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