PEX Installation Manual

ManualsBrandsViega ManualsHeatingPEX Press Adapter - 1/2" Press x SVC - Bronze

Table Of Contents

1 Introduction
- 1.1 Viega PEX solutions
- 1.2 Viega PEX system concepts
2 Codes, Standards and Certifications
- 2.1 Codes
- 2.2 Standards
- 2.3 Certifications
- 2.4 Specifying Viega PEX Systems
3 Viega PEX Installation Methods
- 3.1 Home run systems
- 3.2 Combination systems
- 3.3 Branch and tee
4 Viega Manifolds
- 4.1 Viega manifold markings
5 Viega PEX Press Fittings
- 5.1 Viega PEX Press bronze
- 5.2 Viega PEX Press polymer
  - 5.2.1 Viega Smart Connect feature
- 5.3 Viega PEX Press fitting markings
- 5.4 PEX Press tools
  - 5.4.1 PEX Press hand tools
  - 5.4.2 PEX Press power tools
- 5.5 Making a Viega PEX Press connection with hand tool
6 Viega PEX Crimp Fittings
- 6.1 Viega PEX Crimp Eco Brass fittings
- 6.2 Viega PEX Crimp PolyAlloy fittings
- 6.3 Viega PEX Crimp fitting markings
- 6.4 The Viega PEX Crimp hand tools
- 6.5 Making a Viega PEX Crimp connection
7 ViegaPEX Ultra Tubing
- 7.1 ViegaPEX Ultra properties and performance
- 7.2 Tubing markings
8 Viega FostaPEX Tubing
- 8.1 FostaPEX properties and performance
- 8.2 Tubing markings
9 Viega PEX System Design and Sizing
- 9.1 ManaBloc
  - 9.1.1 Supply and distribution line sizing
  - 9.1.2 Plumbing code compliance (home run / parallel systems)
- 9.2 Combination systems
- 9.3 Branch-and-tee systems
10 System Sizing and Calculations
- 10.1 General
- 10.2 Viega PEX fittings
  - 10.2.1 Viega PEX Press friction loss — equivalent feet of SDR9 PEX tubing
  - 10.2.2 Viega PEX Crimp friction loss — equivalent feet of SDR9 PEX tubing
- 10.3 ViegaPEX Ultra tubing
11 Water Service Installation
- 11.1 Below grade and service line
- 11.2 Foundation penetration
- 11.3 Direct burial of Viega PEX fittings
- 11.4 Concrete
- 11.5 Installing under the slab
- 11.6 Protecting ViegaPEX Ultra tubing
12 Installing the ManaBloc
- 12.1 Overview and carton contents
- 12.2 Location
- 12.3 Draining the ManaBloc unit
- 12.4 Draining the ManaBloc system
- 12.5 Multiple ManaBloc installations
13 Mounting the ManaBloc
- 13.1 Mounting the ManaBloc between studs
- 13.2 Mounting the ManaBloc between studs without use of mounting straps
- 13.3 Mounting the ManaBloc - surface mount
- 13.4 Mounting the MiniBloc
- 13.5 Mounting Viega PEX Press and PEX Crimp Polymer manifolds
14 Installing Manifold Distribution Lines
- 14.1 Installing manifold distribution lines
- 14.2 Valve operation
- 14.3 Connecting distribution lines to the ManaBloc
  - 14.3.1 Port connections
- 14.4 Connecting distribution lines to fixtures
- 14.5 Water supply connections
15 Installing the ViegaPEX Ultra Tubing System
- 15.1 Handling ViegaPEX Ultra tubing
- 15.2 Uncoiling ViegaPEX Ultra tubing
- 15.3 Bending ViegaPEX Ultra tubing
- 15.4 Removing Viega PEX connections
- 15.5 Repairs
- 15.6 Freezing
- 15.7 Water heaters
- 15.8 Heaters, flues, vents and recessed lights
16 Fastening the Viega PEX System
- 16.1 Wood frame construction
- 16.2 Steel construction
- 16.3 Supporting ViegaPEX Ultra tubing
- 16.4 Noise and water hammer in PEX systems
- 16.5 Shower valves
- 16.6 Electrical grounding
- 16.7 Expanding foams
- 16.8 Fire Stop compounds
- 16.9 Tubing expansion
  - 16.9.1 Calculating expansion loops and offsets
- 16.10 Domestic hot water circulating systems
17 Installing Viega PEX Fittings
- 17.1 Stub out options
- 17.2 Copper connections
  - 17.2.1 Soldering Zero Lead alloy PEX fittings
- 17.3 Threaded connections
- 17.4 Valves
18 Pressure Testing Viega PEX Systems
- 18.1 General
- 18.2 Air testing
- 18.3 Leak detection
19 System Disinfection
- 19.1 General
- 19.2 California flushing requirements
20 Warranty

IM-PF 724596 0416

Welcome

MANUAL CONTENT AND USE

It is the responsibility of the contractor,

specifying engineer or installer to appropriately

design the PEX system, determine that the

selection of components in the system are

the proper ones for the intended application

in the locale in which they will operate and

that employees working on the job site

observe the proper installation practices.

Important notice

This installation guide is intended for traditional (branch

and tee) plumbing systems and combination plumbing

systems using termination manifolds, ManaBloc and

MiniBloc parallel / manifold plumbing system.

NOTE: References to ViegaPEX Ultra tubing made

throughout this publication include the entire line of Viega

cross-linked polyethylene products.

NOTE:

Zero Lead identies Viega

products meeting

the lead-free requirements of NSF 61-G through testing

under NSF/ANSI 372 (0.25% or less maximum weighted

average lead content).

In the event of conflict or inconsistency between these

installation guidelines and local building or plumbing

codes, local codes should take precedence.

NOTE: Failure to follow the installation instructions

will void the Viega PEX Limited Warranty.

Nothing in this publication is intended to create

any warranty beyond Viega’s applicable limited

warranty. For additional information, contact Viega

at 800-976-9819.

IMPORTANT NOTE:

A GREEN DOT ON A VIEGA PEX PRESS

POLYMER FITTING INDICATES THE SMART

CONNECT FEATURE. FOR A CURRENT LIST OF

APPLICATIONS, PLEASE VISIT WWW.VIEGA.US/

APPLICATIONS.

Viega, heritage of quality, vision for the future

Viega’s heritage of superiority demands nothing but

the best for our customers. Engineered to be efficient,

Viega products perform at the highest possible level

of quality, providing confidence and peace of mind.

Viega is the only manufacturer to offer press systems

in multiple pipe joining materials, including polymer.

More than one million Viega press fittings are installed

every day around the world and, with a Supply Chain

that can process orders in 48 hours or less, Viega

is positioned to provide customers the best, most

versatile support in the industry.