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 Timerco Digital Time Clock 120VAC (TM619-120V) $45.92 Add to Cart Potentiometer 1M, 1/4 watt (P-1M) $3.32 Add to Cart Transformer, 120V pri, 24V sec. (F-46X) $17.98 Add to Cart