Spigot Hole Diameter New User May 07, 2018 16:11 Follow The spigot hole diameter in stainless steel units is 11/16”. Related articles What is the stainless steel spigot? Replacement (Black Plastic) Spigot Measurements Disinfecting Extremely Contaminated Water Why is my PH level higher after using the Black Berkey® Purification Elements? Does the Berkey Light™ crack? Comments 0 comments Please sign in to leave a comment.