Scope of Work: • Shut off water supply to the home • Remove existing shower cartridge in the hall bathroom • Replace with new manufacturer-approved cartridge • Remove and replace both integral stops on the shower valve • Restore water supply and test for proper function and noise reduction Warranty: 1-year parts and labor Replaced cartridge and fill valve, no other issues were observed. Strapped pipe some more and tested no water hammer was heard. Only the faint noise of water stopping when abruptly shutting the the water off.