In 2014 Dometic purchased Atwood Mobile Products to complement and bolster Dometic's robust product line. Atwood is now sold under the Dometic brand, and the product assortment can be found in the following categories. Hydro Flame 31501 Ignition Control Board is made with precision construction and high quality materials. Part is compatible with 8900 Series furnaces. Refer to manufacturer guidelines and recommendations to ensure proper fit and proper installation procedures.