NSF 358-1:2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
POLYETHYLENE PIPE AND FITTINGS FOR WATER-BASED GROUND-SOURCE 'GEOTHERMAL' HEAT PUMP SYSTEMS
Hardcopy , PDF
29-06-2020
English
01-02-2017
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, pipes and fittings used in water-based ground-source heat pump systems.
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