Customers upstairs hallway.Bathroom delta shower valve dripping. The pressure on the house with it dripping was at eighty five psi. I gave the customer multiple options on replacing the cartridge and the p r v. Customer expressed that they planned on replacing the cartridge themselves and just wanted us to replace the prv. We did so by turning off the water to the home and removing the old prv. After all, the water drained out of the lines. We then installed a new p r v and pressurized and checked for leagues and making sure that we had adequate flow through fixtures. Adjusted for p s I now at sixty. Thank you for choosing and trusting t e with your plumbing needs