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Run Hot Water PEX Lines and Make Initial Connections

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What happens here

After routing the cold water lines, the plumber repeats the process for the hot water supply, running red PEX tubing through the wall studs, parallel to or in close proximity to the cold lines. Once both hot and cold lines are in position, the plumber begins making connections using various PEX fittings (like tees or elbows) and a PEX crimping tool to secure the connections. He also uses a PEX cutter to precisely size the lengths of tubing.

Goal: Route hot water lines and establish initial PEX connections

Tools and materials

  • PEX Crimp Rings — Creating the secure seal with the PEX crimp tool
  • PEX Crimp Tool — Crimping PEX rings onto fittings to create watertight seals
  • PEX Cutter — Cutting PEX tubing cleanly and precisely
  • PEX Fittings — Connecting sections of PEX tubing (e.g., tees, elbows, couplings)
  • Red PEX Tubing — Hot water supply lines