Beverage dispenser having liquid level gauge

A beverage dispenser comprising:

• a vessel that defines an internal volume, a lower opening, and an upper opening;
• a dispensing tap;
• a dispenser assembly;
• and
• a dispensing tube that couples the dispensing tap to the dispenser assembly, wherein the dispenser assembly includes:
• a liquid level gauge structure,
• a riser tube that is positioned within a liquid level gauge structure, wherein the riser tube defines a riser volume, and wherein a gauge volume is defined between the liquid level gauge structure and the riser tube,
• a lower housing, a portion of which penetrates the vessel at the lower opening, wherein the lower housing is configured such that at the lower housing, the riser volume and the gauge volume are in fluid communication with the internal volume, and
• an upper housing, a portion of which penetrates the vessel at the upper opening, wherein the upper housing is configured such that at the upper housing, the internal volume is in fluid communication with only the gauge volume and the riser tube is in fluid communication with a volume defined by the dispensing tube.