Suburban 2611A RV Propane Furnace Core Replacement for NT-16S/NT-16SQ/NT-20S/NT-20SQ - 16KSuburban 2611A RV Propane Furnace Core Replacement 16K The Suburban Furnace Core Replacement allows you to simply remove and replace the core component of your existing furnace. This means there is no need to uninstall the cabinet or ductwork, significantly reducing labor time and costs. Furthermore, each new Suburban Furnace Core module seamlessly integrates into your existing furnace cabinet, effectively providing the advantages of a brand new