This is a new factory control module #100550 for the following Beam/Eureka/Electrolux Central Vacuum models: 167C 168 168C 189C 189D 189F 197C 197D 199C 199D 199E 199F 199J 287, 287C, 287S 297C 297D 297F 310 399A 387 387A 397 397A 397B 397C 2089 2089A...