- Replace whole home shutoff and prv due to leak condition of parts. - excavate area and expose all piping and fittings in ground. - install all new piping / fittings in area. - replace old shutoff and flex line on cold side of water heater. - install 2gal expansion tank per code. - install new prv and whole home shutoff ( half turn ). - install new valve box and p gravel. - backfill hole and clean up. - test work and check for leaks. ** 5yr warranty on work **