Suburban Mfg Furnace Ignition Control Module Board With Fan Control. It is compatible with all Suburban furnace models. Does not replace 24V AC boards. Dimensions: 4-1/2" x 2-5/8". Includes three year warranty. Features of Suburban Mfg 521099 Furnace Ignition Control Module Board With Fan Control Designed for use with RV furnaces Compatible with all Suburban furnace models Does not replace 24V AC boards Dimensions: 4-1/2" x 2-5/8" 3 year warranty Package Contents: Suburban Mfg 521099 Furnace Ignition Control Module Board With Fan Control Suburban Mfg 521099: Furnace Ignition Control Module Board With Fan Control