50E47-843 - Universal Hot Surface Ignition ModuleWhite Rodgers 50E47 843 Universal Hot Surface Ignition Module Universal hot surface ignition module replaces all White Rodgers 50E47 xxx modules and virtually all competitive silicon carbide, non integrated modules. Includes everything needed for a fast replacement, including program keys to quickly customize the module to the furnace application. Features Program keys for easy customization of timings Direct and indirect flame sense Includes double