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Install new cartridge and handle — Install the New Delta Cartridge

Beginner2 hours

Part of project

Delta Shower Cartridge Replacement: A Step-by-Step DIY Guide · Step 4 of 5

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Install the new cartridge. Insert the new cartridge into the faucet body, ensuring it is properly aligned and seated. Screw the retaining nut back on and tighten it securely. \nReinstall the handle and screw. Place the handle back onto the stem and secure it with the screw.

Goal: Restore faucet functionality

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Lowe's Home Improvement

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FAQs

Do I really need a special cartridge puller tool for this Delta shower cartridge replacement?

While not always mandatory, a Delta cartridge puller tool can be invaluable, especially if the old cartridge is stuck due to mineral buildup. You might get by with needle-nose pliers and a a flathead screwdriver if it's not too stubborn, but having the puller prevents frustration and potential damage to the valve body.

The project says 'beginner' and '2 hours.' Is this accurate for a first-timer, and what's the typical cost of a new Delta cartridge?

Yes, this project is generally beginner-friendly, but a first-timer might take closer to 2-3 hours, especially if the old cartridge is difficult to remove. A new Delta cartridge typically costs $20-$50, depending on the specific model and where you purchase it.

What should I do if the old Delta cartridge is stuck and won't come out after removing the retaining clip?

A stuck cartridge is a common issue, often due to mineral deposits. Ensure you've removed the retaining clip. If it's still stuck, firmly but gently twist with needle-nose pliers, or use a dedicated Delta cartridge puller tool which provides better leverage. You can also try applying penetrating oil around the cartridge base and letting it sit for a few minutes before trying again.

How do I make sure I buy the correct Delta replacement cartridge for my specific shower?

Delta manufactures several cartridge models. The best way to ensure you buy the correct one is to remove your old cartridge first and take it to the store for comparison. Alternatively, check your shower trim for a model number or consult Delta's website with photos of your existing faucet to identify the part number.