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Reassemble the Faucet — Reassemble the Shower Faucet

Beginner2 hours

Part of project

Shower Valve Cartridge Replacement: A Step-by-Step DIY Guide · Step 7 of 8

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In this video

Reassemble the faucet in the reverse order of disassembly. Slide the hose through the spout, then press the spout firmly back onto the faucet body until it seats. Test the rotation. Replace the crown ring and lubricate the top O-ring before snapping the dome back on. Place the handle back on, tighten the set screw with the Allen wrench, and push the plastic plug back in. Finally, screw the sprayer head back onto the hose and place it in the spout.

Goal: Putting the faucet back together correctly.

  • Ensure the spout is fully seated on the body before proceeding.

Used in this video

  • Allen Wrench (Allen_Wrench_Size: 3/32)Tightening the set screw on the handle.
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This Old House

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FAQs

Is replacing a shower valve cartridge a genuinely beginner-friendly DIY, and how long should I expect it to take?

Yes, it is considered a beginner-friendly project, primarily involving basic removal and reinstallation steps. While the estimated time is 2 hours, allow for extra time, especially if you encounter stubborn or corroded parts.

What specific tools and materials are essential for this shower cartridge replacement project?

You will need screwdrivers (multi-bit is useful), pliers, and the new shower valve cartridge itself. Don't forget plumber's grease to lubricate the O-rings on the new cartridge for a proper seal and easier installation.

What if I encounter difficulty removing the old cartridge or its retaining clip/nut?

For older fixtures, parts can be corroded. Apply penetrating oil and let it soak, then use sturdy pliers to gently wiggle and pull the cartridge out. Ensure you are using the correct type and size of pliers for the retaining clip or nut to prevent stripping or damage.

What is the most critical safety step I need to take before starting this project?

The most crucial step is to completely shut off the water supply to your shower, or ideally, to your entire home, before you begin any disassembly. Failure to do so can result in significant water damage and flooding.

Reassemble the Faucet — Shower Valve Cartridge Replacement: A Step-by-Step DIY Guide (Step 7, Video 1) | Stesso