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Install New Faucet Body — 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

Install the new faucet body. This model allows for tightening from the front using a seat wrench or a substitute tool like a calking chisel, which makes the process much easier. Insert the tool into the faucet inlets and turn to tighten, while holding the lock nuts on the back of the tub.

Goal: Mount the new faucet securely to the tub

Used in this video

  • Chisel (brand: Generic) · optional — Acting as a lever to tighten the faucet inlets from the front, as a substitute for a seat wrench.
  • Adjustable Wrench (brand: Generic) — Turning the chisel to tighten the faucet body.
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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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with the mega lock and that's a watertight seal as far as I'm concerned fortunately these new faucets came with you'll see access for seat wrenches that you could make them up from the front so all I had to do was hold back the lock nuts I didn't have to go turning I should have used my seat wrench but I was too lazy to go down the stairs three floors I was in and out of this house 10,000 times I used my caping chisel and I stuck it into the opening where I normally would put my seat wrench and I made them up with that tool if you can believe it or not and I got them in there and I whacked them up and as you can see here I got the faucet installed and now it was a matter of you know going ahead getting the riser up and then going and constructing the the shower carton ride which was a real PIA but we'll look under here I got the goose

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