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DIFFICULTY RATING:
(3 out of 5 - Moderate)
A corroded shutoff valve can start to leak. Consider replacing the valve to save water and prevent water damage.
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Step 9: Prepare the area around the existing pipe.
Use a spray bottle to wet the wood joists and the areas around the existing pipe. Fasten a fireproof cloth to the area directly behind where you will be soldering. You can purchase these at a plumbing supply store. You should now apply flux to the remaining four surfaces: the outsides of both the existing pipes, the inside of the new gate valve and the inside of the exposed end of the soldered coupler.
 Attach a fireproof cloth to the area behind where you will be soldering.
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| Use only lead-free solder on copper pipes. Be sure to follow directions when using a propane torch. If you are unsure of any step, hire a professional plumber. |
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© 2008 BobVila.com
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