Jade/ Southbend Double Broiler Infared Burner Issues
So I have a Jade Broiler, about a year old, JBB-236 that is not burning right. They’ve had issues with them popping from time to time but the main issue now is that they have yellow flames leeching through the ceramic burner holes after about 5 minutes of running. Starts up fine and looks great but as it heats up the flames start leeching down from the burner. I figured it was a lack of Primary air so I checked out the HVAC and found the hood filters pretty clogged and the Make up air down. After fixing the make up air i fired up the broiler again and same issue. Flue is wide open and clear. kitchen is no longer dealing with negative air pressure
I figured the burners were clogged so i took them apart but they were very clean except for the metal flakes. I cleaned things out anyway and make sure all the ceramics were pristine. still no change. Checked the small blower underneath and cleaned out the blower wheel just in case but again, no change no matter where i put the little damper cover.
Nat gas, right around 5″wc dynamic with #42 orifices like the manual says it needs…. i’ve adjusted the pressure down to 4.5″ and up to 5.5″ and same issue no matter what….
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