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Test the Repair — Turn Water On and Test

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How to Stop a Dripping Single-Handle Kitchen Faucet by Replacing the Cartridge · Step 11 of 11

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With the faucet fully reassembled, slowly turn the main water supply back on. Turn the shower handle on and test its operation. Check for any leaks around the handle and escutcheon plate. Verify that the hot water comes on when turned to the left and cold water to the right. If the positions are reversed, you must shut the water off again, disassemble, and rotate the cartridge 180 degrees.

Goal: Verify the repair is successful and leak-free

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FAQs

What tools will I definitely need for this specific faucet cartridge replacement?

You'll primarily need a screwdriver (like the Milwaukee Flat Head), an adjustable wrench (such as the Crescent AC212VS), and pliers (like the Husky Groove Joint or Channellock Long Nose) to disassemble and reassemble the faucet components. A hex key set (GEARWRENCH 83510) might also be necessary if your handle uses set screws.

How can I ensure I purchase the correct replacement cartridge for my single-handle kitchen faucet?

The most crucial step is identifying your faucet's brand and model number, usually found under the sink or on the faucet itself. If that's not possible, carefully remove the old cartridge and take it to a hardware store to match it, like the MOEN 1225 specified in the materials, to ensure compatibility.

What are the most common mistakes beginners make during this project, and how can I avoid them?

A common mistake is not fully shutting off the water supply, so always confirm both hot and cold valves are off. Another is losing small parts like screws or the retaining clip (OMUR Connecting Clips) down the drain, which can be prevented by plugging the sink drain with a rag or towel (WYPALL L40 Towels).

How long should this project take for a beginner, and is it truly a 'beginner' difficulty task?

Yes, this is a beginner-friendly project, designed to be straightforward for most DIYers. For someone new to plumbing, it should typically take about 30-60 minutes, assuming you have the correct replacement cartridge and all necessary tools readily available.

Transcript
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Now you're ready to turn water back onto the house and test out your work. Make sure the hot and cold is on the correct side. If you do not have hot and cold on the correct side, you can actually remove the cartridge and flip the orientation. In other words, where it says hot side installed that facing to the right. If you've installed hot side facing to the left but hot and cold is not on the correct side, this means that the water lines within the wall are actually reversed. So by flipping that cartridge around, you'll then re-reverse it again and put it back in the correct orientation. And with that, you're all set. Welcome, my friend. See you on the next one.

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