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Module 5: Corrugated Stainless Steel Tubing (CSST)

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Lesson Summary
• Corrugated stainless steel tubing is a flexible stainless steel tube encased in a jacket made of PE plastic. It is the approved material for piping gas.

• CSST is sold as a complete system, including pipe, fittings, and connections.

• Manifolds are used to connect a single CSST gas line to multiple appliances.

• CSST gas piping is tested using a pressure test.