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 Single shot timer, 120VAC for PJ200, AMS-S1-M (KSKR5F03) $66.65 Add to Cart Pilot light, Yellow, LED 24VAC/DC (PL-YW-LED) $6.28 Add to Cart Control Box, Digital Clock, Remote, Float Lead (CB-D-RO) $435.00 Add to Cart Relay, Motor, SPNO 1/2HP, 24VAC (RMSP.524) W9AS1A52-24V $13.73 Add to Cart