How do you solder a bathroom pipe?

How to Sweat Copper Pipe

  1. Step 1: Assemble the soldering tools.
  2. Step 2: Cut copper with a tube cutter.
  3. Step 3: Remove the burrs.
  4. Step 4: Clean with emery cloth.
  5. Step 5: Clean with a fitting brush.
  6. Step 7: Flux the joint.
  7. Step 8: Heat the joint.
  8. Step 9: Use special techniques for tough spots.

Regarding this, how do you solder water pipes?


  1. Step 1: Prepare Inside of Fitting.
  2. Step 2: Clean Outside Of Pipe.
  3. Step 3: Apply Flux to Pipe.
  4. Step 4: Unwind Solder Wire.
  5. Step 5: Heat the Fitting to Sweat the Copper Pipe.
  6. Step 6: Touch the Solder to the Pipe.
  7. Step 7: Remove Flame from Fitting.
  8. Step 8: Clean the Fitting.

Also Know, why is it called sweating pipes? The most common way of joining copper pipe is by soldering (it’s calledsweating‘ mostly in the U.S., probably because the pipe ‘sweats’ as it heats up). Flux is used to prevent oxidation in the copper when the heat is applied, and to ‘wet’ the metal, allowing the liquid solder to flow more easily into the joint.

Regarding this, can you solder with water in pipe?

Don’t try to solder pipes with water in them. Soldering a joint in pipes that contain even tiny amounts of water is nearly impossible. Most of the heat from the torch goes into turning the water to steam, so the copper won’t get hot enough to melt the solder. Stop the trickle of water with a pipe plug.

How do you’re solder a copper pipe without removing it?

I use a MAPP torch and my process is something like this.

  1. Clean the pipe and fitting.
  2. Go crazy with the flux, flux is your friend that “sucks” the solder into the joint. Do not skimp on the flux.
  3. Heat up the fitting, when the flame turns green it is hot enough.
  4. Quickly add the solder all the way around the fitting.

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