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 Potentiometer 1M, 1/4 watt (P-1M) $3.32 Add to Cart Pilot light , Red, LED 24VAC/DC (PL-RD-LED) $5.19 Add to Cart One Button Remote Control Transmitter (RCT-LR) $7.80 Add to Cart Analog Time Clock 120VAC (FM1QTUZ-120) $94.38 Add to Cart