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Mount Faucet — Install the New Bathtub Faucet

Beginner3 hours

Part of project

How to Install a New Bathtub Faucet: A Step-by-Step DIY Guide · Step 4 of 4

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In this video

Carefully insert the faucet assembly into the sink hole(s), ensuring the hoses and other components are properly aligned. From beneath the sink, tighten the mounting hardware to secure the faucet in place.

Goal: Securely attach the faucet to the sink

  • Avoid over-tightening the mounting nuts, as this could damage the sink or the faucet.

Used in this video

  • Basin Wrench · optionalTightening nuts in tight spaces
140.2K views1.6K5 minutes
This Old House

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FAQs

How realistic is the 3-hour estimate for a beginner, and what common issues might extend the installation time?

While 3 hours is a good estimate for an experienced DIYer, beginners should budget more time, perhaps 4-6 hours. Unexpected challenges like rusted connections, stripped screws, limited access, or needing to retrieve forgotten tools can significantly extend the process. Patience is key, as rushing can lead to mistakes.

What are the absolute essential safety precautions I must take before starting to install a new bathtub faucet?

Always turn off the main water supply to your home and fully drain the lines by opening a lower-level faucet before beginning to prevent flooding. Ensure the work area is dry and well-lit to avoid slips. Be mindful of any nearby electrical outlets, though direct electrical work is not part of this project.

What are the most common mistakes that lead to leaks after installing a new bathtub faucet, and how can I prevent them?

Leaks often occur from improperly tightened connections (either too loose or overtightened, stripping threads). Ensure all supply line connections are hand-tightened, then given a final quarter to half-turn with a wrench. Always use plumber's tape on threaded connections and plumber's putty where recommended by the faucet manufacturer for seals around the base.

Are there any additional tools or materials, beyond those listed, that would be helpful for a smoother bathtub faucet installation?

Yes, having a bucket or old towels for draining water and potential drips is essential. A flashlight for working in tight, dark spaces is highly recommended. Depending on your current setup, a basin wrench might be invaluable for reaching nuts in confined areas, and plumber's tape is usually needed for threaded connections.

Transcript
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so now when we get this in place you're going to hold it and i'm going to go down and put those bits that are on the back side

Auto-generated transcript. May contain errors.