Atwood 91365 Circuit Board Kit for Water Heaters - Use with Gas/Electric 12 VDC NEWEST MODEL: Replaces Atwood 93851. COMPATIBLE WITH WATER HEATERS: Models GCH6A-10E, GC6AA-10E, GC10A-4E, GCH10A-4E, GCH10A-4E. COMBO BOARD: Controls BOTH the LP ignition and the Electric Element. Atwood part #93309 (edge pin connector) NOT included. TECHNICAL SUPPORT: Atwood provides prompt support in diagnosing and resolving technical problems.