Install Instructions
Table Of Contents
- About this Document
- Disclaimers
- Product Information
- Viega Manifolds
- Viega PureFlow Tubing
- Viega PureFlow Fittings
- Viega PureFlow System Design Considerations
- Water Service Installation
- Installing the ManaBloc
- Mounting the ManaBloc
- Installing Manifold Distribution Lines
- Installing the Viega PureFlow PEX Tubing System
- Fastening the Viega PureFlow System
- Installing Viega PureFlow Fittings
- Pressure Testing Viega PureFlow Systems
- System Disinfection
- Installer Checklist
- Limited Warranty
Viega Manifolds
15 of 88
IM-PF 724596 1021 PureFlow Water System (EN)
3 Viega Manifolds
Viega oers several dierent manifolds to meet a variety of applications,
whether it is a parallel water distribution system or combination installation.
3.1 Manifold Markings
Each Viega manifold is marked where space permits with the following information:
Manufacturer Viega
ASTM Standard ASTM F877/F1807/F2159/F3347/F3348
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).
All manifolds may not be listed with each organization
shown.
3.2 ManaBloc Sweep Adapter
In the event that a ManaBloc purchased before May 2009 needs to be replaced,
a ManaBloc Sweep Adapter is required to maintain the previously drilled hole
spacing. This generation of ManaBlocs can be identied by the external divider
plate as shown to the left. In old-style ManaBlocs there was a space between the
ports above and below the divider plate. Holes for tubing were drilled in adjacent
studs according to where the ports were located. When an old-style ManaBloc is
replaced with a new one, the ports will not line up with the previously drilled holes.
A sweep adapter will be required for each port below the divider plate. For example,
the replacement for the ManaBloc pictured would require 6 sweep adapters.
Description Part Number
½" Replacement ManaBloc Sweep - PolyAlloy Crimp 50260
⅜" Replacement ManaBloc Sweep - PolyAlloy Crimp 50261
½" Replacement ManaBloc Sweep - Polymer PEX Press 50262
⅜" Replacement ManaBloc Sweep - Polymer PEX Press 50263
½" PB Replacement ManaBloc Sweep 50264
⅜" PB Replacement ManaBloc Sweep 50265
Divider Plate