Previous Product Next Product Belt Speed Control This potentiometer is used to control the speed on the Model 105, 185, 19, 175, and 175R. SKU 42000001 SKU: 42000001 Categories: Model 105, Model 175 and 175R, Model 185, Model 19, Spare Parts Related products Quick View Quick View Model 105, Spare PartsTemperature Controller Programed for Model 105 Read more Quick View Quick View Spare Parts, Model 19Model 19 Motor Read more Quick View Quick View Spare Parts, Model 175 and 175RUpper Heater Element for Model 175 and 175R, 220V Read more