Suburban Furnace NT-30SP/NT-34SP Core (CORE ONLY) 2613A This is for the core only for the NT-30SP/NT-34SP. This does not include the cabinet assembly Compatibility: Suburban NT-30SP/ NT-34SP Furnace BTU Level: 30000 BTU Width: 12 Inch Depth: 23 Inch Height: 12-1/2 Inch With ... See More