Updated May 2025: Updated Table 9 with new linear expansion data. Updated September 2025: This version has a new Appendix D with Test Questions.

Uponor specification for hydronic piping applications.

Design manual for Uponor plumbing and hydronic piping systems. Includes design and installation recommendations for AquaPEX and hePEX PEX-a piping products and ProPEX fittings. Combines the documents formerly known as Plumbing Design Assistance Manual (PDAM) and Hydronic Piping Design Assistance Manual (HPDAM). Includes pressure testing instructions. Updated Table 6-6 with new linear expansion data.

Uponor's 2½" and 3" PEX pipe and ProPEX® fittings product guide. Get answers to frequently asked questions about codes, standards and more for the new sizes.

Updated May 2025: Updated content on page 4 to clarify language around UV rating versus UV testing.

White Paper: Why Choose PEX-a for Hydronic Piping Applications?

Guidelines for water additives in PEX-based hydronic piping applications

Mise à jour de mai 2025 : mise à jour du tableau 9 avec de nouvelles données d'expansion linéaire. La version mise à jour inclut maintenant des questions de test à l'annexe D.

Uponor PEX piping is more cost-effective than copper, steel, and CPVC for re-piping plumbing systems. Learn more about the benefits of PEX.

Installation guide for Uponor Ecoflex potable PEX plus pre-insulated pipe systems. Includes detailed instructions for installing Ecoflex potable PEX plus pre-insulated pipe systems.

PEX: The logical choice for plumbing systems compared to copper pipe.