Plumber Red Seal · Question
A hydronic heating system is being installed using PEX tubing. The system designer calls for crimp-style connections. What colour of crimp ring is typically used with a PEX-a expansion connection tool?
When using crimp-style connections for PEX, copper crimp rings are commonly used and are compressed onto the tubing and fitting with a specialized tool. Stainle
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Question: A hydronic heating system is being installed using PEX tubing. The system designer calls for crimp-style connections. What colour of crimp ring is typically used with a PEX-a expansion connection tool?
Answer options: ✅ Copper
- Stainless steel
- Brass
- Black plastic
Correct answer: Copper
Explanation: When using crimp-style connections for PEX, copper crimp rings are commonly used and are compressed onto the tubing and fitting with a specialized tool. Stainless steel rings are generally used for cinching tools, while brass and black plastic are not standard crimp ring materials for this application.
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