Elster Jeavons J48 Series Regulators are suitable for Low Pressure appliance and service applications using both NG or LPG. Maximum inlet pressure is 350 mbar. An Outlet Pressure range of 5 to 100 mbar is achieved by using different springs. An outlet pressure of between 22.5 and 35 mabr is achieved using this spring. Suitable for use with a 3/4″ or 1″ J48 regulator. Dark Green/Brown.