Home / 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 Control Box, Digital Clock, Remote, Float Lead (CB-D-RO) $435.00 Add to Cart One Button Remote Control Transmitter (RCT-LR) $7.80 Add to Cart Timerco Digital Time Clock 120VAC (TM619-120V) $45.92 Add to Cart Finder power relay 30A 2pole, 24VAC coil (66.82.8.024.0300) $18.74 Add to Cart