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, Digital Clock, Remote, Float Lead (CB-D-RO) $435.00 Add to Cart Out of stock Finder power relay 30A 2pole, 24VAC coil (66.82.8.024.0300) $18.74 Read more Pilot light , Red, LED 24VAC/DC (PL-RD-LED) $5.19 Add to Cart Single shot timer, 120VAC for PJ200, AMS-S1-M (KSKR5F03) $66.65 Add to Cart