This is a new product and should make your life easier.This connector reqires a 26mm hole to fit through or will thread onto an existing 3/4" bsp thread Or a 21mm hole for a 1/2" thread.This fitting is secured from the back with the removable nut and should be used with one washer on the inside and one on the back.This item is designed to have a 3/4" bsp tap screwed into it.
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