Failure of PEX Domestic Water System (AZ)

This matter involves the failure of PEX (cross-linked high density polyethylene) domestic water piping system. This piping system was installed in a 100 unit luxury condominium project and began to fail approximately five years after installation. The domestic water system is chlorinated by the local utility and contains some microbiological matter that is known to attack metallic piping components. Both the brass fittings and the stainless steel clamp bands failed. The failure mechanisms were determined to include problems with the design and metallurgy of the components, installation deficiencies and the corrosive nature of the water supply. Representing defendant in this on-going matter.