Sink drainage revolution: transform your old cast iron drain with pvc in 4 simple steps

Replacing a cast iron sink drain pipe with PVC is a common plumbing project that can be completed in a few hours. By following these simple steps, you can save yourself the cost of hiring a plumber.

Tools and Materials You’ll Need

• PVC pipe and fittings
• Hacksaw
• PVC primer and cement
• Pipe wrench
• Measuring tape
• Level
• Safety glasses
• Gloves

Step-by-Step Instructions

1. Remove the Old Drain Pipe

• Turn off the water supply to the sink.
• Place a bucket under the sink to catch any water that may leak out.
• Use a pipe wrench to loosen the nuts that hold the cast iron drain pipe in place.
• Carefully remove the old drain pipe.

2. Cut the PVC Pipe to Size

• Measure the distance from the sink drain to the drainpipe in the wall.
• Cut the PVC pipe to the measured length using a hacksaw.

3. Assemble the PVC Drain Pipe

• Apply PVC primer to the ends of the PVC pipe and fittings.
• Apply PVC cement to the primed surfaces.
• Assemble the PVC drain pipe by inserting the ends of the pipe into the fittings.

4. Connect the PVC Drain Pipe to the Sink

• Apply PVC primer and cement to the end of the PVC drain pipe that will connect to the sink.
• Insert the end of the drain pipe into the sink drain.
• Tighten the nuts that hold the drain pipe in place.

5. Connect the PVC Drain Pipe to the Drain in the Wall

• Apply PVC primer and cement to the end of the PVC drain pipe that will connect to the drain in the wall.
• Insert the end of the drain pipe into the drain in the wall.
• Tighten the nuts that hold the drain pipe in place.

6. Test the Drain Pipe

• Turn on the water supply to the sink.
• Check for any leaks around the joints of the PVC drain pipe.
• If you find any leaks, tighten the nuts or apply more PVC cement.

7. Clean Up

• Wipe away any excess PVC primer or cement from the drain pipe and fittings.
• Dispose of the old cast iron drain pipe and any other debris.

Tips

• Use a level to make sure that the PVC drain pipe is level.
• Apply a generous amount of PVC cement to the joints of the drain pipe.
• Allow the PVC cement to dry completely before turning on the water supply.
• If you are not comfortable working with PVC pipe, you can hire a plumber to do the job for you.

Final Thoughts

Replacing a cast iron sink drain pipe with PVC is a relatively simple project that can be completed in a few hours. By following these simple steps, you can save yourself the cost of hiring a plumber.

What People Want to Know

Q: What is the best way to cut PVC pipe?

A: The best way to cut PVC pipe is to use a hacksaw. Make sure to use a sharp blade and to cut the pipe straight.

Q: How do I know if the PVC drain pipe is level?

A: Use a level to check if the PVC drain pipe is level. Place the level on the pipe and make sure that the bubble is in the center.

Q: How long does it take for PVC cement to dry?

A: PVC cement typically takes about 24 hours to dry completely. However, you can usually turn on the water supply after a few hours.