Returned and replaced the waste and overflow for the tub. Removed the incorrect Ptrap, 1-1/2 pvc, and cast on the tub line. Ran a new pvc line from the new waste and overflow to the 3 inch cast wye. Installed a new frost proof hose bib and finished the widespread lavatory faucet install. Tested all work to ensure proper function and no leaks. None were found.