Home / Replacement parts / Control Box and Components / Knob for potentiometer (Knob) Knob for potentiometer (Knob)$2.41 Knob for potentiometer (Knob) quantity Add to Cart SKU: Knob Category: Control Box and Components Product ID: 2481 Description Description Replacement knob for potentiometer that controls spray time adjustment Related products Transformer, 120V pri, 24V sec. (F-46X) $17.98 Add to Cart Moujen Micro switch with long lever actuator (MJ2-1701) $10.18 Add to Cart One Button Remote Control Transmitter (RCT-LR) $7.80 Add to Cart