Home / Replacement parts / 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 Analog Time Clock 24VAC (FM1QTUZ-24) $84.13 Add to Cart Control Box, Analog Clock, Remote Ctrl, Float Lead (CB-A-RO) $404.65 Add to Cart Finder power relay 30A 2pole, 24VAC coil (66.82.8.024.0300) $18.74 Add to Cart