White-Rodgers 50E47-843 Universal HSI Ignition Module. When Less Works Best! Quality Universal Replacement products to protect your reputation. Now comes the 50E47-843 Universal Replacement for silicon carbide, non-integrated HSI modules. The 50E47-843 Universal replaces ALL White-Rodgers 50E47-xxx modules and virtually all competitive silicon carbide, non-integrated modules. The 50E47-843 Universal Kit has everything needed for a […]