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Shut Off Water Supply — Turn Off Water Supply

Beginner3 hours

Part of project

Tub Fixture Replacement: A Step-by-Step DIY Guide · Step 1 of 5

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In this video

Reach under the kitchen sink and locate the hot and cold water shut-off valves. Turn the handles fully clockwise to shut off the water supply to the faucet. After shutting off the water, open the faucet handle to relieve any remaining pressure in the lines.

Goal: Turn off water

  • Ensure both hot and cold water lines are completely shut off before proceeding with disassembly.
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HydroNYC

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FAQs

What's the absolute first and most critical safety step I need to take before replacing my tub fixtures?

The most critical step is to turn off the main water supply to your house or, if available, the specific shut-off valves for the bathroom. This prevents flooding and ensures you can work safely without unexpected water bursts. Always verify the water is off by turning on the old fixtures before starting removal.

Besides an adjustable wrench and a screwdriver, are there any other tools I might unexpectedly need for this project?

While an adjustable wrench and screwdriver are core tools, you'll also need plumber's tape (Teflon tape) or pipe thread sealant for leak prevention. A utility knife can be useful for cutting old caulk if your escutcheon plates are sealed, and a headlamp can improve visibility in tight spaces.

As a beginner, is the 'beginner' difficulty rating accurate for this project, and is 3 hours a realistic time estimate?

Yes, this project is generally beginner-friendly if you follow instructions carefully and prepare properly. The 3-hour estimate is realistic for a straightforward replacement without major complications like seized pipes or unexpected plumbing issues. Allocate extra time if you're new to DIY or encounter unforeseen challenges.

What's the most common mistake beginners make that causes leaks after installing new tub fixtures?

The most common mistake is not applying plumber's tape or thread sealant correctly, or over/under-tightening connections. Always wrap plumber's tape clockwise around threaded connections 2-3 times, and tighten fittings snugly but avoid excessive force which can strip threads or damage components.

Transcript
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out so we're gonna need to replace the diverter inside the faucet so I'm gonna go underneath here and turn the water off to the faucet okay it be good okay you want to pop this little cover off your set screws behind here

Auto-generated transcript. May contain errors.