Install Instructions

Table Of Contents
Viega PureFlow Fittings
20 of 88
IM-PF 724596 1021 PureFlow Water System (EN)
Each Viega PureFlow Press 󶈵tting is marked where space permits with
the following information:
Manufacturer Viega
ASTM Standard ASTM F877 / F3347 (ZL Bronze) / 3348 (Polymer)
Temperature Rating 180° F (potable)
200° F (hydronic heating)
Certi󶈵cations cNSF
®
us pw-G, CSA B137.5, UPC
®
or UP Code,
cULus
®
, ICC-ES PMG
1038 / 1015
Note: All 󶈵ttings may not be listed with every organization shown.
5.1.3 PureFlow Press Fitting Markings
Viega PureFlow Press polymer 󶈵ttings must be protected from
UV exposure, which can damage them. In the event of incidental
UV exposure during storage, installation and handling, combined
exposure of PureFlow Press 󶈵ttings shall not exceed 15 days.
Do not expose Viega products to any foreign substance that
includes but is not limited to VOC (Volatile Organic Chemical)
compounds, paints, solvents, glues, cleaners, and disinfectants.
Viega products that are exposed to these types of substances
are at risk of having failures (leaks).
Use only Viega stainless steel attached PureFlow Press
sleeves and press tools with Viega PureFlow Press 󶈵ttings.
Viega PureFlow Crimp 󶈵ttings are available in ECO Brass and polymer
materials. The following design criteria make Viega PureFlow Crimp
󶈵ttings ideal for use in potable water applications.
Excellent strength properties
Corrosion resistant
Fast installation
All Viega PureFlow PEX tubing, 󶈵ttings and manifolds are NSF certi󶈵ed for
use in potable water systems.
5.2 Viega PureFlow Crimp Fittings