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Install and Secure the New Faucet — Install the New Faucet Body

Beginner3 hours

Part of project

How to Replace a Bathtub Faucet: A Step-by-Step DIY Guide · Step 5 of 6

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In this video

Carefully place the new faucet into the mounting holes on the sink, pressing it down firmly onto the plumber's putty. From underneath, thread the plastic mounting nuts onto the faucet shanks and hand-tighten them. Use the basin wrench to give them a final tightening, securing the faucet firmly to the sink. Do not over-tighten.

Goal: Generic Faucet Installation

  • Be careful not to over-tighten the plastic nuts as they can crack.

Used in this video

  • Basin Wrench — Tightening the new faucet's mounting nuts.
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FAQs

Is replacing a bathtub faucet truly a beginner-friendly DIY project, and what's a realistic time frame for completion?

Yes, it's generally considered beginner-friendly, especially with clear instructions. While estimated at 3 hours, allow for extra time if you encounter rusted parts or need to locate the main water shut-off. Patience is key for a successful first-time installation.

Beyond basic screwdrivers, what are the most crucial tools for this bathtub faucet replacement that I might not already own?

An adjustable wrench is essential for loosening and tightening nuts, while plumber's putty is critical for creating a waterproof seal. You might also find a basin wrench helpful if working in very tight spaces, though not always strictly required for all faucet types.

What should I do if I can't find individual shut-off valves for my bathtub faucet, or if they don't work?

If local shut-off valves are absent or faulty, you must turn off the main water supply to your entire house. After turning off the main supply, open a faucet on the lowest level of your home to drain any remaining water from the pipes before proceeding with the replacement.

What is the most common mistake that leads to leaks after installing a new bathtub faucet, and how can I prevent it?

The most common mistake is not fully tightening all connections or improperly applying plumber's putty. Ensure all nuts are snug (but don't overtighten) and that plumber's putty forms a complete, even seal around the faucet base. Always test slowly after turning water back on and inspect thoroughly for drips.

Transcript
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thinner all right guys so this is our faucet so it says moen right here uh guys if you're not sure i would say righty tighty lefty loosey so if you turn it to the left that'll open turn to the right that'll close guys i have had it where the uh the brand name was on the front and it was actually on the it was supposed to be on the back side of the faucet it had wings so the wings you turn towards you and that was backwards just be aware of that guys all right so what i'm going to do is i'm going to put our faucet in all right now what we're going to do is we're going to go underneath we're going to tighten up our plastic nuts that's going to suck the faucet down now guys the putty is going to squeeze out for a little bit here so what i'll do is when i'm done everything uh the very last thing i'll do is scrape away the excess putty

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