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Vanex Cross-linked Polyethylene (PEX) Vanex PEX (cross-linked polyethylene) tubing is flexible, durable and proven through more than 20 years of use throughout Europe. Vanex PEX is recommended for use in hot and cold water distribution and hydronic heating systems. Vanex, white, red, or blue in color, is available in 1/4" through 1" sizes in coils as well as 20 ft. straight lengths and incrementally marked on coils of 500 ft. or greater. Red and blue Vanex PEX tubing offers the benefit of color coding for easy identification of hot and cold lines. Vanex is available in a MANAPAC tubing package which contains 2 - 500 ft. coils of 3/8" Vanex tubing on disposable reels to facilitate installation of MANABLOC distribution systems. Vanex is CTS-OD sized (copper tube size, outside diameter controlled) with an SDR-9 (Standard Dimension Ratio) wall thickness which yields maximum pressure/temperature ratings of 100 psi @ 180° F and 160 psi @ 73° F. Vanex is manufactured and third party certified to ASTM F876 and F877. Cross-linking is a permanent chemical change that occurs in Vanex, giving it these advantages over other piping materials: Vanex is flexible and can be installed with fewer directional fittings in less time, and at less expense, than rigid plumbing systems. Vanex can stretch to accommodate the expansion of freezing water and then return to its original size when water thaws. Although Vanex is highly freeze-break resistant, no material is freeze-break proof. Vanex offers superior chemical and environmental stress crack resistance. Vanex tubing connected with the CRIMPSERT® fitting system is one of the fastest joining systems in the U.S. For applications not listed, consult with your Vanguard representative. Vanex PEX is a superior alternative to copper for plumbing systems.