Replace copper pipe when heating

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Replacing a defective copper pipe on the heater is actually not that difficult. If you are a bit skilled in your craft, you can do this work yourself. But you should definitely be able to solder. Otherwise, you can also get yourself a pipe press and make press connections.

Only replace the copper pipes of the heating in a professional manner
Only replace the copper pipes of the heating in a professional manner © Rainer_Sturm / Pixelio

What you need:

  • Hacksaw
  • Round file
  • Gas burner
  • Lot
  • Press fittings
  • Pipe press

If you have a defective copper pipe at the heater needs to be replaced, it is not always necessary to commission a specialist to carry out the repairs. You can carry out the repair yourself much cheaper and, above all, faster.

How to replace a defective copper pipe

  1. First of all, you need to turn off your heating and that water drain. There is a drain cock on the radiator that is at the lowest position in your house.
  2. Only after the water has drained can you begin the repair. You have to cut out the defective pipe. You just saw it out with a hacksaw. Under no circumstances should you use a power cutter. Copper pipes must always be sawn or cut with a pipe cutter.
  3. Deburr the two remaining pieces of pipe with a round file. There must be no more ridge in it.
  4. Then saw a new pipe to the required length. Sand both ends of the pipe a little with fine sandpaper. Do the same with the other two pipe ends.
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  5. Then put pipe sleeves over the two pipe ends of the old pipe. Then bring the new pipe into the correct position and slide the sleeves over it.
  6. Then you first heat a socket with a gas burner and let some solder flow into the gap. Then do the same on the other side.

You can also press heating pipes

  1. If you don't like soldering, you can also press a copper pipe on the heater. This is much easier and requires less manual skills. But for this you need a pipe press, which is not cheap. You also need so-called press fittings. Fittings are sleeves, bends, tees and the like.
  2. Preparations for repairs are similar to those for soldering. The difference, however, is that you attach suitable compression sleeves to the existing pipe ends.
  3. Then bring the new pipe into the intended position and slide the compression sleeves over it. You then set up the pipe press and squeeze the sleeves and pipes together.

Replacing copper pipes on the heating system using a pressing process is particularly advantageous in old buildings. Since no gas burner is required for the work, there is no risk of fire.

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