Patent ID: 6032821
Filing Date: 2000-03-07
Classification: C02F,Y10T

Abstract:
A treatment for a water conditioning apparatus, comprising:a tank head having a wall with an interior surface and a noncircular rim defining a first through hole in said wall;a generally cylindrical flange defining a first aperture and having a first nipple portion with a periphery and a noncircular portion radially extending from said periphery of said nipple portion, said noncircular portion having a shoulder and a noncircluar peripheral wall downwardly extending from said shoulder, said noncircular peripheral wall is configured to matingly engage said noncircular rim so that contact between said noncircular rim and said peripheral wall prevents rotation of said flange relative to said tank head; anda first fastener engageable on said first nipple portion to secure said flange on said tank head through contact between said fastener and said tank head.