'Swing Check Valve, Material of Construction PVC, Size 1-1/4 In., Connection Type Hub, Length 5-1/8 In., Width 3-1/2 In., Overall Height 3-1/2 In., Max. Water Pressure 150 psi @ 70 Degrees F, Cracking Pressure 0.25 psi, Max. Temp. 140 Degrees F, Mounting Position Vertical or Horizontal, Seat Material PVC, Seal Material EPDM, Flow 34.96 gpm, Standards NSF 61'