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, Analog Clock, Remote Ctrl, No Float (CB-A-RONF) $420.00 Add to Cart Analog Time Clock 24VAC (FM1QTUZ-24) $94.38 Add to Cart Toggle Switch (2FC53-73) $8.07 Add to Cart Pilot light , Red, LED 24VAC/DC (PL-RD-LED) $5.19 Add to Cart