The largest of the series, NSH couplings work with lines up to 3/4” ID. Unlike the other NS series, NSH couplings feature an all-plastic valved flow path. They are easily usable with one hand and handle flow rates up to 17 gpm.

The largest of the series, NSH couplings work with lines up to 3/4” ID. Unlike the other NS series, NSH couplings feature an all-plastic valved flow path. They are easily usable with one hand and handle flow rates up to 17 gpm.