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How to Replace Polybutylene Pipes

This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace polybutylene pipes

In this video, learn how to install a new, leak-proof CPVC plastic water-supply system with This Old House plumbing and heating expert Richard Trethewey.

Steps:
1. Use drywall saw to cut open walls and ceilings to expose the polybutylene water-supply pipes.

2. Turn off the water to the house, then cut out the existing polybutylene pipes using a plastic pipe cutter.

3. Install new CPVC water pipe; glue pipe to fittings with CPVC primer and cement.