Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves PVC, Pipe or Tube Size - Check Valves 1 1/4 in, Connection Type - Check Valves FNPT x FNPT, Cracking Pressure - Check Valves 0.25 psi, Mounting Orientation - Check Valves Horizontal, Vertical, Seal Material - Check Valves EPDM, Max. Temp. - Valves 140 Degrees F, Min. Temp. - Valves 14 Degrees F, Max. Water Pressure - Valves 150 psi @ 70 Degrees F