Part Number: #81764 Manufacturer: Elkay Manufacturing Mfg Number: 1000001602
This reducing elbow is a repair part from Elkay, part number 1000001602. The elbow measures 5/16" x 1/4". It is connected to the top of the tank and allows water to go in and be chilled. If the elbow at any time starts to leak, the elbow will need replaced.