PEX DESIGN GUIDE
Design Guide - Residential PEX Water Supply Plumbing Systems
This Design Guide provides the information and resources necessary
to design and install cross-linked polyethylene (PEX
) water supply systems in residential buildings.
It includes comprehensive design concepts and installation guidelines to increase the acceptance and proper use of
. This document is targeted to meet the needs of home builders, designers, and trade contractors. Its purpose is to introduce potential users
and to enable current users to optimize their PEX
plumbing and minimize system costs. In addition, it
will allow code inspectors and homeowners to become familiar with the applications, performance characteristics, and benefits of PEX
water supply systems.