Watts 0858538|WW0858538 - AS-M1-2 AIR SCOOP 1/8" VENT TAP

This 2 IN cast iron air separator is used in commercial and residential, hydronic heating applications to separate air from water in the piping system. It consists of a heavy, cast iron body construction with a 1/2 inch female threaded connection for an expansion tank, and a 1/8 inch female threaded connection for a float vent. It provides continuous purging and venting of air in the system when installed with Watts Model ET expansion tank and Model FV4 float-vent. The maximum pressure is 125 psi (8.6 bar).