Shut down water to home at street and drain down portable water system. Follow main line from unfinished basement area and cut drywall to search for pressure valve. Cut out and remove pressure valve if found. Install new three-quarter inch pro press ball valve and new three-quarter inch pressure reducing valve in accessible location for customer. Replace 2.5 gallon thermal expansion tank in unfinished basement area. Replace three original service stop valves in upstairs bathroom for faucet and toilet. Install customer supplied round bowl toilet. Install customer supplied new vanity, includes installing sink, widespread lavatory faucet and all drain connections. Pressurized system slowly and test all connections for leaks.