Watts Regulator HAV Series Automatic Air Vent Valve Pack options:Pack of 1 Heavy gauge steel components are

Heavy gauge steel components are zinc plated for a quality appearance

Red seal color for easy identification during repair

The POWERSTATE brushless motor delivers up to 0-3000 rpm with constant power output to drive screws faster

vent free products may not work properly at elevations above 4

Watts Regulator HAV Series Automatic Air Vent Valve Pack options:Pack of 1 Heavy gauge steel components areHAV Series automatic vent valves are used in commercial, residential, and industrial hydronic heating applications to provide automatic or manual air venting in baseboards, connectors, radiators, and high points in piping systems. It consists of a 2 piece, chromed 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