Can you explain your knowledge of different types of pipe joining methods used in residential plumbing?

Sample interview questions: Can you explain your knowledge of different types of pipe joining methods used in residential plumbing?

Sample answer:

Soldering:

• Involves joining copper pipes using a solder alloy and flux.
• Requires a torch or soldering iron to melt the solder and create a permanent bond.
• Suitable for potable water, refrigerant, and gas lines.

Brazing:

• Similar to soldering but uses a higher melting point alloy (braze) and a higher temperature torch.
• Creates strong, leak-proof joints for high-pressure applications.
• Ideal for joining copper, steel, and stainless-steel pipes in gas and heating systems.

Crimping:

• Involves using specialized tools to compress metal rings or sleeves around pipe ends.
• Creates a secure, vibration-resistant joint.
• Suitable for copper, CPVC, and PEX pipes in plumbing and hydronic systems.

Push-to-Connect Fittings:

• Utilize flexible rubber or polymer gaskets that seal between the pipe and fitting when pushed together.
• Requires no tools or glue.
• Quick and easy to install, suitable for various pipe materials.

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