Describe the procedures for repairing cross-linked polyethylene (PEX) water lines.

Description should include the following steps:

• Assemble tools and equipment.
• Cut and remove the damaged section of the PEX pipe.
• Install the repair coupling and clamps in the ends of the cut tubing.
• Crimp the clamps tight, using a crimper.
• Evaluate the hot water temperature.
• Check for leaks.

Process/Skill Questions:

• What are the relevant safety precautions/procedures for working with PEX pipe?
• Where is PEX pipe used?
• What is a common size for PEX pipe?
• What are push-to-connect couplings, and what are the benefits of using this type of coupling?