Watts 0590712 Air Vent, Brass, Chrome, For: Hot Water and Low Pressure Steam Systems

This automatic vent valve is used in commercial, residential and industrial hydronic heating applications to provide automatic or manual air venting in baseboards, convectors, radiators and high points in piping systems. It consists of a two-piece chrome-plated brass body construction, stainless steel check valve, brass disc bearing cover, copper thermostat assembly, neoprene O-ring, cellulose fiber disc, replaceable cartridge and ABS heat-resistant hand wheel. The cartridge can be easily maintained or replaced without system shutdown. This valve is ideal for use with hot water and low pressure steam systems. The maximum pressure is 125 psi (8.6 bar).