Vacuum relief valve for use in a shower head

摘要

Provided herein is a valve having a cylindrical body having a threaded portion on the outside thereof and a cylindrical bore in the inside thereof; the cylindrical body has an air hole at the top thereof communicating with the bore; a ball is situated in the bore: and a screw closes an end of the bore to hold the ball therein. The improved vacuum relief valve also includes a gasket fitted inside the bore between the ball and the air hole. The invention also includes a shower head which includes the improved vacuum relief valve.