Air Eliminator, Air Vent Type Float, Allowable Pressure – Maximum 125 psi, Allowable Temperature – Minimum 0 Degrees F, Application Residential or Commercial Closed Loop Hydronic Heating or Chilled Water Systems, Body Material Bronze, Cap Material Brass, Configuration In-line, Expansion Tank Connection Size 1/2 in, Expansion Tank Connection Type NPT, Float Material Thermoplastic, For Media Water, Gasket Material EPDM Rubber, Inlet Port Connection Gender Female, Inlet Port Connection Size 1/2 in