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Step 5 · Clean and Prepare Pipe Stub-Out

Once the old hardware is removed, thoroughly clean the end of the copper pipe stub-out. Use a piece of emery cloth or fine-grit sandpaper to polish the last inch of the pipe, removing any oxidation, old sealant, or burrs. The surface should be smooth and shiny. This ensures the new ferrule can create a perfect, watertight seal. Wipe the pipe clean with a dry rag to remove any dust or debris.

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Step 5 · Clean and Prepare Pipe Stub-Out

Once the old hardware is removed, thoroughly clean the end of the copper pipe stub-out. Use a piece of emery cloth or fine-grit sandpaper to polish the last inch of the pipe, removing any oxidation, old sealant, or burrs. The surface should be smooth and shiny. This ensures the new ferrule can create a perfect, watertight seal. Wipe the pipe clean with a dry rag to remove any dust or debris.

Tools and Materials

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How to Replace a Leaky Angle Stop (Shutoff Valve) Under Your Sink

Step 5 of 10·35 min left

Shut Off Main Water and Drain Pipes
15 mins2 itemsIntermediate
Disconnect Faucet Supply Line
5 mins4 itemsIntermediate
Remove the Old Angle Stop
15 mins4 itemsAdvanced
Remove Old Nut and Ferrule
15 mins2 items
5
Clean and Prepare Pipe Stub-Out
5 mins3 itemsBeginner
6
Install the New Angle Stop
5 mins1 itemsIntermediate
7
Tighten the Compression Fitting
5 mins2 itemsAdvanced
8
Reconnect the Supply Line
5 mins2 itemsBeginner
9
Restore Water and Check for Leaks
10 mins1 itemsIntermediate
10
Final Test and Cleanup
5 mins2 itemsBeginner
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