Home › Forums › Coking › Technical › Heaters & Furnaces › Heater Stack and Top Deck This topic contains 2 replies, has 2 voices, and was last updated by Desh 562001 13 years ago. Author Posts June 13, 2009 at 2:52 pm #3080 robbinrandle13Member Any recommendations on the height difference between the Heater Stack and the Top Deck of the Coke Drum Structure; we are essentially looking at operator safety vis-a-vis the flue gases emanating from the stack. September 13, 2009 at 12:14 pm #6003 Desh 562001Member Thanx Dawnsalle; however we have not addressed the issue of Heater Stack Vs the Cutting Deck recommended elevation difference…..Any recommendations from experts? September 14, 2009 at 2:38 pm #6002 Anonymous As a general rule: 4 mts. difference. Author Posts You must be logged in to reply to this topic.