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About This Item

 

Full Description

The physical and performance requirements in this standard apply to plastic piping system components as well as non-plastic components of the ground loop heat exchanger including but not limited to cross-linked polyethylene (PEX) pipes and fittings used in water-based ground-source heat pump systems. This standard does not cover refrigerant based ground loop heat exchangers such as direct expansion (DX) systems. This Standard does not cover hydronic heating or cooling systems within buildings.

 

Document History

  1. NSF/ANSI 358-3-2021

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    Cross-linked polyethylene (PEX) pipe and fittings for water-based ground-source (geothermal) heat pump systems

    • Most Recent
  2. NSF/ANSI 358-3-2016


    Cross-linked polyethylene (PEX) pipe and fittings for water-based ground-source (geothermal) heat pump systems

    • Historical Version