Woodford 70C-4 Model 70 Wall Hydrant, 4-Inch, C Inlet Valve seat - permanent type brass valve body with hemispherical seating surface. - stem - hardened stainless steel stem resists damage Packing - EPDM rubber with adjustable packing nut. - operating rod - 3/8" solid brass Operation - tamper resistant removable tee key. - casing - 1" galvanized steel pipe Max pressure - 125 p.s.i. - max temperature - 120 degree f