Soldering Copper Pipe With Water In It

Cut copper with a tube cutter photo 1. Soldering a joint in pipes that contain even tiny amounts of water is nearly impossible. You ll find it in the plumbing section of the store.

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The old plumber shows the procedure from start to finish for soldering copper and getting a water tight joint.

Soldering copper pipe with water in it. How do you solder copper pipe if pipe is dripping water after shutting the water main off. You can either lift the pipe slightly towards the drain point or if you can t move it attach a hose to the end of the pipe you are soldering and blow the water out. To join copper pipes together it helps to add a paste called flux to the ends. Flux is a paste that you ll find next to the solder at the hardware store.

This diy video shows you all about soldering copper pipe with wate. How to solder or sweat to connect copper pipes for water supply lines. Spread soldering flux on the outside of the pipe and the inside of the fitting. Since water boils at 100c and solder starts melting at about 250c depending on the type you use you will not get a joint with water in the pipe.

To connect copper tubing and pipe one of the best methods is to use solder and a so. Sometimes on long horizontal runs water can sit in the pipe. The water pressure inside a typical house should be between 40 psi and 80 psi. Solder with lead is still available but the lead can leach into your water supply so don t use it.

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. You will do no soldering until you have boiled all of the water away from the joint and the copper has reached the melting point of the solder. Push the plug into the pipe with the applicator tube provided. Its purpose is to remove oxides from the metal and ensure good copper solder adhesion.

Clean the inside of the fitting with a wire brush. If there was a leak you d have a lot of water exiting and making a large mess. Buy lead free solder that s designed for copper water pipes. Rub down the outside of the pipe with a rag.

Stop the trickle of water with a pipe plug. The first thing to do is to find a drain point below the pipe that you want to solder. In order to join pipes together it s necessary to solder the joints together so they don t leak water.