Repair The Leaky Best Bathroom Faucets Stem: The only way to fix this flow is to restore the whole faucet. Take away the faucet by placing a wrench on the faucet and unscrewing it from its connection behind the walls. Take the faucet to a water system provide shop and coordinate the pipe length with a new one. Use a new faucet by placing 3 wraps of teflon tape around the discussions on the device, screwing it into the discussions of the fitting within the walls and tightening it. Ensure that that the Copper Faucets faucet slopes slightly to the outside of your home so it will strain when it is closed off.