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Install New Cartridge and Reassemble — Clean Valve and Install New Cartridge

Beginner3 hours

Part of project

How to Replace a Leaky Shower Cartridge (Delta Monitor & Moen Models) · Step 5 of 6

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In this video

Take the old cartridge to a hardware store to find an exact replacement. Before installing the new one, it's good practice to apply a thin layer of plumber's grease to the O-rings. Carefully insert the new cartridge, ensuring it is oriented correctly. Reinstall the parts in the reverse order of removal: insert the retaining clip, slide on the sleeve, attach the handle with its screw, and press the cap back on. Turn the water supply back on and check for leaks.

Goal: Complete the Repair

  • Make sure the new cartridge is fully seated in the valve body before attempting to reinsert the retaining clip.

Used in this video

  • Screwdriver (Tip: Phillips) — Reattaching the handle.
  • Pliers (Jaw Type: Needle Nose) · optional — Helping to push the retaining clip back into place.
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FAQs

How difficult is it to replace a shower cartridge, and what should I expect for time and cost?

This project is rated as "beginner" and typically takes about 3 hours for someone with basic DIY skills. The main cost will be the replacement cartridge itself, which varies by brand (Delta or Moen) and model, usually ranging from $30-$80.

What specific tools do I absolutely need before I start this project?

You'll definitely need Phillips and flathead screwdrivers, an adjustable wrench, and tongue and groove slip joint pliers. Also, have a rag for drips and plumber's grease for new O-rings. Ensure you have the correct replacement cartridge for your specific faucet model.

What are the most crucial safety precautions I need to take before starting this cartridge replacement?

The most critical step is to completely shut off the main water supply to your house or specifically to the bathroom before starting. After shutting off, open a nearby faucet to relieve any remaining pressure in the lines. Protect your tub/shower finish from dropped tools.

How do I make sure I buy the exact right replacement cartridge for my specific shower?

To ensure you get the correct cartridge, first try to identify your faucet's brand (Delta Monitor or Moen) and model. Often, the old cartridge will have a model number printed on it; take a photo of it. If not, consult your faucet's manual or remove the old cartridge and take it to a plumbing supply store for identification.

Transcript
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remove it once you have that removed you take this down to the store match it up get you a new one you're ready to reinstall it and again I'm Terry with

Auto-generated transcript. May contain errors.