PEX (plasticpipe.org)
Water Service Lines (plasticpipe.org)
Crosslinked Polyethylene (PEX) Pipe & Tubing Systems (plasticpipe.org)
Improved AWWA C904 Important for Underground Potable PEX Water Service Line Installation | phcppros
AWWA C904 Announcement (plasticpipe.org)
BCD Design Calculator (plasticpipe.org)