Air Separator, Air Vent Connection Gender Female, Air Vent Connection Size 1 in, Air Vent Connection Type NPT, Application Air Removers, Body Material Cast Iron, Configuration In-line, Expansion Tank Connection Gender Female, Expansion Tank Connection Size 1/2 in, Expansion Tank Connection Type NPT, For Media Water, Includes Expansion Tank Port Expansion Tank Connection Included, Inlet Port Connection Gender Female, Inlet Port Connection Size 1 in, Inlet Port Connection Type NPT