Located a few mechanical faults in the water delivery system. -Water valve leaking on recirculation pump. -Washing machine supply lines are leaking. Valve is existing to home. -Shower valve leaks on 1st floor. -Rapid expansion pressure regulator device appears to be original. Did not check water pressure. -Customer concerned about the potential water leaks in the home. Entire water delivery system is 30 years old. System has a hot water recirculation pump and has never had a whole home water treatment system. -Reconnect to existing underground plumbing for the powder room