Arrived on site, clients sprinkler shut off valve was not fully closing allowing water to continue to vacuum breaker. Gave options to client to replace valve and/or rebuild main water tree. Pressure in home is at 65-70psi. Client authorized me to replace sprinkler shut off valve. Shut water off to home, cut old valve out and installed new 3/4†ball valve w/drain. Positioned drain accordingly and discussed placement with homeowner. Turned water back on, tested and everything working properly. 2 year warranty parts and labor. Client signed up for BVR.