Zone one front flowerbeds low pressure Zone two left side of house low pressure. Zone three front left side low pressure. Zone four front parkway valve is getting stuck open. Zone five right side of driveway low pressure. Zone six right side of house low pressures. Zone seven back side of house right side of driveway low pressure. Zone eight backyard behind pool area flowerbeds low pressure. Zone nine back alley low pressure. After replacing zone four pressure in all zones restored. Found two leaking heads zone three and four. - replaced both