...I also have a 55 gallon kettle, and I'm looking also looking at a 440,000 BTU 44 array Jet Burner. But the one I'm looking at says it's geared towards propane. See here : http://www.glaciertanks.com/Jet_Burners-Jet_Burners_Cast_Iron_440_000_BTU_44_Tip_Propane.html
You mentioned something...