Upgrade your water heater and furnace with this high - performance ignition control circuit board. Measuring 2.6 in. W x 1.69 in. H, it's compact yet powerful. This board is compatible with a wide range of water heater and furnace models, including various SW series water heaters. It replaces old and damaged control boards, ensuring reliable ignition and efficient performance. The installation is a breeze - just plug it in and connect the wires in their original locations. Made of quality material with high - temperature resistance and anti - corrosion properties, it offers long - lasting durability. Whether in an RV or a similar setup, this board will keep your water heater working properly, bringing convenience and comfort to your daily life.