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Shut Off Water Supply — Turn Off the Water Supply

Beginner3 hours

Part of project

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

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Before beginning, locate the two water shutoff valves, known as angle stops, under the sink. Turn the handles clockwise until they stop to shut off the water supply. To confirm the water is off and to relieve any pressure, turn on the faucet handles. No water should come out.

Goal: Stop water flow to the faucet.

  • Never assume the shutoff valves are working correctly. Always test by turning on the faucet after closing the valves.
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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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before starting this process you want to ensure that both of your angle stops are in the off position never assume because you turn the angle stops to the off position that you've cut the water completely you always want to test it by turning on your faucet or at the water is off as I'm going to

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