NSF/ANSI 358-1:2021
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Polyethylene Pipe and Fittings for Water-Based Ground-Source “Geothermal” Heat Pump Systems
Hardcopy , PDF
21-04-2023
English
01-12-2021
The physical and performance requirements in this standard apply to plastic piping system components as well as nonplastic components of the ground loop heat exchanger including, but not limited to, pipes and fittings used in water-based ground-source heat pump systems.
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