Shut off water to house and drain down all water lines. Remove existing failed angle stops and install new quarter turn shut off compression valves. Also replace under sink filters once shut offs are replaced and tested. ______________________________________________________________ 4 straight stop quarter turn shut off valves (master bath) 3 angle stop quarter turn shut off valves (kitchen) need to unsweat 3 angle stop quarter turn shut off valves (basement bath) need to unsweat ______________________________________________________________ Full day with helper