The Vollrath/Idea-Medalie B200900 speed control potentiometer enables accurate adjustment of motor speed to support smooth and controlled equipment operation. This component works by varying electrical resistance, which regulates the amount of voltage delivered to the motor, allowing operators to fine-tune speed as needed. Designed for 120V applications and equipped with white wires, a diode, and no positive off position, it supports stable electrical performance during continuous use. The potentiometer helps maintain consistent operation, reduces mechanical strain from sudden speed changes, and improves overall control. Its practical design contributes to reliable performance, easier operation, and improved efficiency in commercial foodservice and equipment applications.