Standards, Listings and Codes
American Society for Testing and Materials
ASTM D2737 - Polyethylene (PE) tubing.
ASTM F876 - Crosslinked Polyethylene (PEX) tubing.
ASTM F877 - Crosslinked Polyethylene (PEX) tubing and fitting systems.
ASTM F1807 - Brass insert fittings.
CSA International
B137.0 - General requirements for thermoplastic pressure piping.
B 137.5 - Crosslinked Polyethylene (PEX) tubing and fitting systems.
NSF International
Standard 14 - Plastic piping system components.
Standard 61 - Drinking water system components-health effects.
LISTINGS
NSF International
Zurn PEX
oxygen barrier and non-barrier tubing, Qicksert® fittings, Qicktite® fittings, Zurn polyethylene cold water service tubing,Zurn PEX
supply tubes.International Association of Plumbing & Mechanical Officials (IAPMO)
Zurn PEX
oxygen barrier and non-barrier tubing, Qickser®t fittings, Zurn PEX supply tubes, Waterflex® water heater connectors.National Evaluation Service (NES)
Zurn PEX oxygen barrier and non-barrier tubing, Qicksert
® fittings.CSA International
Zurn PEX non-barrier tubing, Qicksert
® fittings, Qicktite® fittings, Zurn PEX supply tubes.
MODEL CODES
The following model codes recognize Crosslinked Polyethylene (PEX) tubing for use in hot and cold water distribution systems:
International Plumbing Code (BOCA, ICBO, SBCCI)
CABO One and Two Family Dwelling Code (BOCA, ICBO, SBCCI)
Standard Plumbing Code (SBCCI)
Uniform Plumbing Code (IAPMO)
U.S. Department of Housing and Urban Development (HUD)
The following model codes recognize Crosslinked Polyethylene (PEX) tubing for use in radiant heating systems:
IAPMO Uniform Mechanical Code (IAPMO)
ICBO Uniform Mechanical Code (ICBO)
International Mechanical Code (BOCA, ICBO, SBCCI)
Standard Mechanical Code (SBCCI)
It is the responsibility of the installer to ensure that these products are accepted by local code authorities.