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 Ctrl, No Float (CB-D-RONF) $420.00 Add to Cart Tyco Circuit Breaker, 10Amp (CB10) $4.27 Add to Cart Analog Time Clock 24VAC (FM1QTUZ-24) $94.38 Add to Cart Agitator (AG-W20) $35.69 Add to Cart