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Turn Off Water — Turn Off the Water Supply

Beginner3 hours

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Delta Shower Faucet Installation & Upgrade Guide · Step 1 of 5

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Turn off the water supply to the shower. This is typically done by locating the shut-off valves for the shower, which may be located near the shower itself or in a central plumbing access panel. The valves should be turned clockwise to close and stop the flow of water. The presenter points out the hot and cold supply lines and the shower control valve in a cutaway wall.

Goal: Prevent water from flowing

  • Double-check that the water is completely off by briefly turning on the shower controls.
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FAQs

How do I ensure the water is completely off before I start the installation?

Locate the main water shut-off valve for your home or the specific shut-off valves for the bathroom. After turning them off, open the existing shower faucet handles to release any remaining pressure and confirm water flow has stopped. This prevents unexpected gushes and makes the job cleaner and safer.

Besides a screwdriver and pliers, what other tools might I need for removing my old faucet or installing the new Delta one?

You might need an Allen wrench (often included with new faucets or for old handle removal), a utility knife for cutting caulk/sealant, and plumber's tape (Teflon tape) for threaded connections. A basin wrench can sometimes be helpful for tight nuts, though less common for shower valves.

What are the most common reasons for leaks after installing a new Delta shower faucet, and how can I prevent them?

Leaks often occur due to improperly tightened connections, missing O-rings, or incorrect cartridge seating. Ensure all threaded connections are hand-tightened, then given a quarter to half turn with a wrench, using Teflon tape on male threads. Double-check that the cartridge is fully inserted and secured according to Delta's specific instructions.

Is the 3-hour estimated time realistic for a beginner, or should I budget more time, especially if removing an old faucet?

While 3 hours is achievable for a straightforward replacement, beginners should budget 4-6 hours. Removing an old, corroded faucet can take extra time and effort if screws are seized or old caulk needs extensive cleaning. Always allow buffer time for unexpected issues.

Transcript
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that we're doing while we're doing it. First step is to make sure the water shut off. We don't want to bump the control and get all soak and wet. You'll see here, there's two supply lines, a hot and cold that come up and mix together in this center control valve.

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