Promek VL Tap Nut This plastic piece sits behind the tap complete and assists in fixing it to the base of the machine. Used on the following Promek Drink Dispensers model numbers VL-112, VL-223, VL-334, VL-446, VL-125, VL-250, Coolfresh Drink Dispenser. Manufacturer Part Number: VL223-33 also known as C24 Position Number in Exploded Diagram: 33 SKU: 2060223033 Colour: White Material: Plastic