Y Check Valve Material of Construction CPVC Size 4 In. Connection Type Socket Length 12-13/16 In. Width 5-3/4 In. Overall Height 11-3/4 In. Max Water Pressure 150 psi @ 70 Degrees F Cracking Pressure 1 psi Max Temp 190 Degrees F Mounting Position Vertical or Horizontal Seat Material FPM Seal Material FPM Flow 240 gpm Hex Size 4-1/4 In.