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 Relay, Motor, SPNO 1/2HP, 24VAC (RMSP.524) W9AS1A52-24V $13.73 Add to Cart Single shot timer, 120VAC for PJ200, AMS-S1-M (KSKR5F03) $66.65 Add to Cart Finder power relay 30A 2pole, 24VAC coil (66.82.8.024.0300) $18.74 Add to Cart One Button Remote Control Transmitter (RCT-LR) $7.80 Add to Cart