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Yes. But, only if the union is after a main shut off valve and is before and appliance connection.

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A ball valve then pipe and a union before an furnace connection. Unions used as couplings to lengthen pipe are not code approved.

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13y ago
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5mo ago

Yes, pipe unions can be used in natural gas lines. However, it is important to ensure that the selected pipe union is rated for use with natural gas and meets relevant safety standards to avoid leakages or other potential hazards. It is recommended to consult with a professional or local regulations to ensure the proper selection and installation of pipe unions in natural gas lines.

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Q: Can you use pipe unions in Natural gas lines?
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Continue Learning about Natural Sciences

What type of pipe used to extend natural gas line?

Black steel pipe or CSST (Corrugated Stainless Steel Tubing) are commonly used to extend natural gas lines. The type of pipe used will depend on local building codes and regulations. It is important to consult with a professional plumber or gas fitter when extending natural gas lines to ensure safety and compliance.


What is the code for natural gas lines?

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Can water enter natural gas main lines?

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