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What material are the ground loop lines made of?

April 26, 2017ground loop material

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What material are the ground loop lines made of?

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The pipe material that is used in the geothermal industry is High Density PolyEthylene (HDPE). This is same material that is used in the natural gas industry for transport of gas. The pipe is extremely durable and is warranted by the manufacturer for 50 years, however technically it can last for 700 years. HDPE is inert with ground materials and has good heat transfer properties.