Y Check Valve Material of Construction PVC Size 1 In. Connection Type Threaded Length 5-3/16 In. Width 2 In. Overall Height 4-5/8 In. Cap to Inlet Center 3-18/32 In. Max Water Pressure 150 psi @ 70 Degrees F Cracking Pressure 1 psi Max Temp 140 Degrees F Mounting Position Vertical or Horizontal Seat Material FPM Seal Material FPM Flow 9 gpm Hex Size 1-1/2 In.