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Turn Off Water — Shut Off Water Supply & Drain Lines

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Shower & Tub Faucet Replacement: A Complete DIY Guide · Step 1 of 5

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Begin by shutting off the water supply to the faucet. Locate the hot and cold water shut-off valves, typically found inside the cabinet beneath the sink. Turn the handles a quarter turn to the closed position. Once the valves are closed, open the faucet handles on top of the sink to relieve any remaining pressure and drain the excess water from the lines.

Goal: Shut off water supply

  • Most modern shut-off valves only require a quarter turn to close. The handle should be perpendicular to the pipe when closed.
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FAQs

What's the absolute first thing I need to do before starting this project to avoid a plumbing disaster?

The most crucial first step is to shut off the main water supply to your house, or at least the supply to your bathroom. After that, open the existing faucets to drain any remaining water from the lines, preventing unexpected spills and making the work area safer.

The guide lists an adjustable wrench. Is this tool essential, and are there any alternatives if I don't have one?

Yes, an adjustable wrench (like the Crescent 12 in. Chrome Adjustable Wrench AC212VS) is essential for securely tightening and loosening plumbing connections without stripping nuts. While a pipe wrench can be used, an adjustable wrench offers more control. Always ensure the wrench size matches your fittings to prevent damage.

As a beginner, how long should I expect this shower and tub faucet replacement project to take?

For a beginner, expect this project to take anywhere from 3 to 6 hours. This timeframe accounts for preparation, careful removal of old components, precise installation of new parts, and thorough leak testing. Rushing can lead to mistakes, so take your time and follow each step carefully.

What's the most common mistake beginners make during faucet replacement, especially regarding leaks, and how can I prevent it?

The most common mistake is not adequately sealing threaded connections, which invariably leads to leaks. Always apply plumber's tape (PTFE tape) clockwise to all male threaded pipe connections before tightening. Ensure connections are snug but avoid overtightening, which can damage plastic or brass fittings.

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out your faucet is that it's only seven steps. Step one, you're just going to turn off the water. With most homes built within the last 20 to 30 years, your water lines are going to have shut off valves inside the base of your cabinet. Just turn these a quarter turn, open up your faucet handle so that it lets out all the excess water and you're good to go. Step two is disconnecting

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