This 1 inch lead free brass water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for residential , commercial, and industrial applications. This assembly consists of a lead free brass body, double union crimp inlet and outlet for PEX tubing, replaceable seat module, and a bypass feature to control thermal expansion pressure. The reduced pressure rating is set at 50 PSI (345 kPa). The temperature range is 33 to 160 degrees F (0.5 to 71 degrees C). Suitable for up to 300 PSI (20.7 BAR).