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 Transformer, 120V pri, 24V sec. (F-46X) $17.98 Add to Cart Moujen Micro switch with long lever actuator (MJ2-1701) $11.57 Add to Cart Timerco Digital Time Clock 24VAC (TM619-24V) $43.75 Add to Cart Control Box, Digital Clock, Remote, Float Lead (CB-D-RO) $435.00 Add to Cart