How to remove cast iron very old drainage pipes

September 23, 2019Uncategorized Standard

Most of the homes built since the early 1980s have drainage pipes, which are made of stainless steel or PVC. Many old houses have drains that are made of cast iron, which is what is used in plumbing systems for more than a hundred years. If you have an old house that has a cast iron drain, you may have to replace it. The drain tube may have failed or you may want to upgrade your home’s piping with PVC. Whatever the reason, you can remove an old cast iron drain following a simple procedure.

  1. Spray the accessories of the cast iron drain pipe with a penetration catalyst. Soak the connections with the catalyst and let it rest for 20 minutes. A penetration catalyst can be purchased at any hardware store or home improvement store. It is a petroleum based product that is used to loosen jammed accessories.
  2. Place a socket wrench on the fitting and another socket wrench under it. Turn the adjustment counterclockwise while keeping the other key stable. If the connection does not turn on, spray it again with the penetration catalyst and try again. Sometimes you can work the release using this procedure.
  3. Cut the cast iron drain section using an alternative saw if you could not disconnect it using the pipe wrenches. Cut the tube in a straight line and include the accessories in the cut. Make the cut as perpendicular as possible to make it easier to attach a new drain tube.

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