Homeowner has a busted water line in his front yard. Homeowner has already uncovered the water line, and found the leak, and removed the damage section of piping. The piping is made of HDPE. Cut out and removed additional piping to have clean space for connection. Connected to existing piping with 1” stainless steel barbed fittings. Installed approximately 2’ of 1” PEX. Turned water on to test for leaks. After turning water on, discovered the PRV has failed. PRV is a Zurn black top with double unions. Replaced failed PRV with new Zurn black top. Turned water on to test for leaks. Ran water to ensure proper flow, confirmed with homeowner that water flow was adequate. Adjusted PRV to proper pressure Left piping exposed per request of homeowner, stated he would bury it back in the morning. Pressure set to 60 PSI