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 Pilot light, Yellow, LED 24VAC/DC (PL-YW-LED) $5.19 Add to Cart Low Cost Timer With Battery Back-Up, Mist Now (CB-S1-M) $308.00 Add to Cart Infitec Time Delay Module (QSS423B) $44.80 Add to Cart