Suburban Furnace Replacement Core 2608A (SF-25FQ/ SF-30FQ) Compatibility: Suburban SF-25FQ/ SF-30FQ Furnace BTU Level: 25000 BTU Width: 12 Inch Depth: 20 Inch Height: 7-1/2 Inch With Electronic Ignition: Yes   Product Description Designed, built and backed by one o... See More