Cool Replacing Tub Fixtures 2023. Web whether you need to repair a leaky faucet or want to add new fixtures to spruce up your bathroom, it’s good to know how to replace a bathtub faucet. Most times, the water supply valve for your tub is located in the walls behind the faucet.

This guide reviews how to remove and replace bathtub faucets, handles and other parts. Then, ensure all the water is out and run your bathtub for 30 seconds or however long it takes to drain out. Go into the room adjacent to your bathroom to cut a hole in the wall where the drain and faucets are for your tub.