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 PartsModel 105 Operator Cable Read more Quick View Quick View Spare Parts, Model 19Power Off Button for Model 19 Read more Quick View Quick View Spare Parts, Model 185, Model 19Temperature Controller Programed for Model 185 and 19 Read more