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 Analog Time Clock 24VAC (FM1QTUZ-24) $94.38 Add to Cart Timerco Digital Time Clock 24VAC (TM619-24V) $43.75 Add to Cart Timerco Digital Time Clock 120VAC (TM619-120V) $45.92 Add to Cart