Ehargis
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Us it against the ipc code to use 3" threaded gas line, or does it have to be welded. This is outside residential, on a generator.
3" black steel gas line
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Ehargis
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hj
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I have never had to weld it. But, if possible, I would convert the system to medium pressure so the pipe size would be MUCH smaller with a regulator at the generator.
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