A Copper Tubing Primer, Please
"John?] " wrote in message Just had a new central air unit installed and it had to be moved to a new location, so a new line set was required. I had a coil of 3/4" copper that I had traded for, so I offered it to my HVAC guy for the line set. He looked at it and said that he couldn't use it because it was "plumbing copper" and was manufactured with a seam. If you tried to run R-22 through it, it would leak like a sieve. He is completely trustworthy and I have no reason to question him, but I started wondering about the types of copper tubing. If you can't use "plumbing copper" for refrigerant, can you use "refrigeration copper" for plumbing? What tubing do you need for natural gas? What are the correct names for the different types of copper? Can someone school me please? This will be a start http://www.bomiltubing.com/ There are many differences in materials, annealing, and sizing for different uses. Refrigeration tubing is generally soft, seamless, and purged with an inert gas to keep it clean and free of oxidation. Cleanliness is very important on a sealed system. Plumbing tubing had different wall thickness for supply lines and drain lines. Soft copper is often used for propane, but some areas do not allow it for natural gas. |
A Copper Tubing Primer, Please
"Edwin Pawlowski" wrote in message news:GHBOg.22$F46.21@trndny09... "John?] " wrote in message Just had a new central air unit installed and it had to be moved to a new location, so a new line set was required. I had a coil of 3/4" copper that I had traded for, so I offered it to my HVAC guy for the line set. He looked at it and said that he couldn't use it because it was "plumbing copper" and was manufactured with a seam. If you tried to run R-22 through it, it would leak like a sieve. He is completely trustworthy and I have no reason to question him, but I started wondering about the types of copper tubing. If you can't use "plumbing copper" for refrigerant, can you use "refrigeration copper" for plumbing? What tubing do you need for natural gas? What are the correct names for the different types of copper? Can someone school me please? This will be a start http://www.bomiltubing.com/ I hate to think what the handyman tubing is; or what it might be used for, for that matter. |
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