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NSF/ANSI 358-2-2017

Polypropylene Pipe and Fittings for Water-Based Ground-Source ôGeothermalö Heat Pump Systems

This Standard establishes the minimum physical and performance requirements for plastic piping system components. These criteria were established for the protection of property, public health and the environment.

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NSF International [NSF]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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