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Mount New Faucet Assembly — Secure and Seal the Exterior Flange

Beginner4 hours

Part of project

How to Replace an Outdoor Faucet (Spigot/Hose Bibb) · Step 5 of 6

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In this video

Align the new faucet with the newly installed wall flanges. Thread the faucet's union nuts onto the flanges, ensuring it connects evenly on both sides. Hand-tighten first, then use channel-lock pliers to snug the nuts, creating a secure connection between the faucet and the wall fittings.

Goal: Install new faucet

Used in this video

  • Channel-Lock Pliers (Pliers_Type: Channel-Lock)To tighten the union nuts that secure the faucet to the wall flanges.
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This Old House

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FAQs

How difficult is replacing an outdoor faucet for a beginner, and how long should I expect it to take?

This project is rated as 'beginner' difficulty, making it suitable for those new to DIY plumbing. With proper preparation and the right tools, it typically takes about 4 hours. Most of the time involves careful disconnection, preparation, and leak testing.

What are the most critical safety precautions I need to take before starting this project?

The most crucial step is to shut off the main water supply to your house and drain the lines before beginning. This prevents accidental flooding. Always wear safety glasses and gloves to protect against debris, tools slipping, or contact with old pipes.

What specific tools and materials are essential for this faucet replacement, especially for a stubborn old unit?

Beyond basic tools, you'll definitely need two sturdy pipe wrenches (like the RIDGID 31305 and TradesPro 830914) to safely remove the old faucet without twisting internal pipes. Penetrating oil (Blaster PB) is critical for seized connections, and Teflon tape along with pipe thread sealant (Hercules Real-Tuff) are essential for leak-free installation.

Why is installing a 'frost-proof' faucet recommended, and are there different types or considerations for them?

Frost-proof faucets are highly recommended because they prevent water from freezing and bursting the pipe inside your wall during cold weather, saving you from costly repairs. They come in various lengths, so measure the thickness of your exterior wall to ensure you select one that extends far enough into your house for proper function and drainage.

Transcript
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It's all good All right guys, it's finishing up the last setup down there So things was just shot about right we can't reach under Just Do this very carefully You know There's a gentle bumps Boom Or is my cup in rallies

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