How to Sweat Copper Pipe in 30 Seconds!

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How to Sweat Copper Pipe in 30 Seconds!

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Materials Needed:
  • Pipe & fittings (Duh)
  • Propane or MAPP gas torch
  • Solder (lead free is best, but evidentally leaded solder is easier to do)
  • Flux (Found at almost all hardware stores with the soldering/welding supplies)
  • Steel wool
  • Fitting brush for your size fittings (also with the soldering/welding supplies)

Don't forget saftey glasses!!!

Having a clean joint is the most important part of sweating pipe. Don't skimp out on the cleaning! Also be sure to heat the joint not the pipe, the solder will flow where there is heat and flux. One more thing, don't move the joint till the solder has solidified. You can tell when it has by the sheen. Cooled solder will be less shiny than molten.



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    6 Discussions


    9 years ago on Introduction

    Pretty good. So many great topics like this would be so much better if we only had 45 seconds. LOL!

    2 replies

    Reply 9 years ago on Introduction

    yeah, you wouldn't believe how long it took a to get a 5 minute video into 30 seconds.


    9 years ago on Introduction

    Good Instructable. You might want to add the following important point: Make sure that you do NOT move the pipe or joint(s) until the solder "sets"/cools (it changes from shiny to dull as it cools). Otherwise your joint (plumbing or electrical) may fail/leak. I learned this from my dad - a plumber for over 55 years....

    1 reply