PEX Installation
Table Of Contents
- 1 Introduction
- 2 Codes, Standards and Certifications
- 3 Viega PEX Installation Methods
- 4 Viega Manifolds
- 5 Viega PEX Press Fittings
- 6 Viega PEX Crimp Fittings
- 7 ViegaPEX Ultra Tubing
- 8 Viega FostaPEX Tubing
- 9 Viega PEX System Design and Sizing
- 10 System Sizing and Calculations
- 11 Water Service Installation
- 12 Installing the ManaBloc
- 13 Mounting the ManaBloc
- 14 Installing Manifold Distribution Lines
- 15 Installing the ViegaPEX Ultra Tubing System
- 16 Fastening the Viega PEX System
- 17 Installing Viega PEX Fittings
- 18 Pressure Testing Viega PEX Systems
- 19 System Disinfection
- 20 Warranty
IM-PF 724596 0416
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4 Viega Manifolds
Viega offers several different manifolds to meet a
variety of applications, whether it is a parallel water
distribution system or combination installation.
4.1 Viega manifold markings
Each Viega manifold is marked where space permits
with the following information:
To maintain your warranty and be code
compliant, use only Viega-approved
fittings to connect ViegaPEX Ultra
tubing to the ManaBloc.
Manufacturer VIEGA
ASTM Standard ASTM F877 / F1807 / F2159
Temperature Rating 180°F
Certications
UPC
®
, cNSF
®
us pw-G,
CSA B137.5,
ICC-ES PMG
™
1038
Viega polymer manifolds 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 Viega polymer manifolds 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).
NOTE: All manifolds may not be listed with each
organization shown.