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Take the new cartridge. If you have plumber's grease, apply a light coat to the rubber O-rings to help it slide in easily and prevent tearing the seals. Align the cartridge correctly; there are typically tabs or notches on the side of the cartridge that must fit into corresponding slots inside the faucet body. For a Moen 1225 cartridge, the 'H C' marking should be facing up. Push the cartridge firmly and evenly down into the valve body until it is fully seated.

You're viewing a step from: How to Stop a Dripping Single-Handle Kitchen Faucet by Replacing the Cartridge

Beginner

30 minutes

2/4 Inventory

This guide provides step-by-step instructions to stop a dripping single-handle kitchen faucet by shutting off the water supply, disassembling the faucet handle and body, removing the old leaky cartridge, installing a new replacement cartridge, and reassembling the faucet components.

Based on content fromMojo8772· 915 subscribers

Frequently Asked Questions

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.