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, Float Lead (CB-A-RO) $435.00 Add to Cart Control Box, Analog Clock, Remote Ctrl, No Float (CB-A-RONF) $420.00 Add to Cart Toggle Switch (TFC53) $8.07 Add to Cart Analog Time Clock 120VAC (FM1QTUZ-120) $89.88 Add to Cart