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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 3: Sand the two ends of pipe.
Use emery paper to sand the circumference of one inch of pipe until it is shiny. Do this for both pipes. You might consider using a special tool made to remove the oxide from the copper pipe. These tools have wire brushes that will clean both the outside and insides of a pipe to ensure that the solder adheres properly.
 Use emery paper to sand the pipe until the copper is shiny.
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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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