User Guide
Table Of Contents
- Introduction
- Codes, Standards, and Certifications
- PureFlow Press Fittings
- PureFlow Crimp Fittings
- PureFlow Tools
- Product Instructions
- Tubing Overview
- Design Considerations
- ManaBloc Systems
- Installing PureFlow Systems
- Storage Recommendations
- Handling Viega PureFlow PEX Tubing
- Removing PureFlow Connections
- Repairs
- Freezing
- Water Heaters
- Heaters, Flues, Vents, and Recessed Lights
- Fastening the PureFlow System
- Supporting PureFlow PEX Tubing
- Installation Considerations
- Noise and Water Hammer
- Shower Valves
- Electrical Grounding
- Expanding Foams
- Fire Stop Compounds
- Tubing Expansion
- Calculating Expansion Loops and Offsets
- Domestic Hot Water Circulating Systems
- Installing Viega PureFlow Fittings
- PureFlow PEX Tubing Installed in Slab
- Installing PEX Under a Slab
- Installing PEX Below Grade as Service Line
- Pressure Testing PureFlow Systems
- System Disinfection
- Limited Warranty
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PG-PF 724998 0320 PureFlow System
ManaBloc Systems _____________________________________________ 23
Viega Manifolds _____________________________________________ 23
Viega Manifold Markings ________________________________ 23
ManaBloc Design and Sizing _________________________________ 23
Supply and Distribution Line Sizing _______________________ 24
Water Heater Placement ________________________________ 24
Distribution Line Sizing to Fixture _________________________ 24
ManaBloc Installation Overview _______________________________ 25
Carton Contents _______________________________________ 25
ManaBloc Location ____________________________________ 25
Multiple ManaBloc Installations ________________________________ 26
Locating a Remote ManaBloc _________________________________ 26
ManaBloc Supply Piping Options ______________________________ 27
Draining the ManaBloc Unit ___________________________________ 28
Draining the ManaBloc System___________________________ 28
Mounting the ManaBloc ______________________________________ 29
Mounting the ManaBloc Between Studs ___________________ 29
Mounting the ManaBloc – Without Mounting Straps _________ 31
Mounting the ManaBloc – Surface Mount __________________ 31
Mounting the MiniBloc _______________________________________ 32
Mounting PureFlow Press and PureFlow Crimp Polymer Manifolds _ _ 33
Installing PureFlow Systems ____________________________________ 34
Storage Recommendations ___________________________________ 34
Do’s _________________________________________________ 34
Don’ts _______________________________________________ 34
Handling Viega PureFlow PEX Tubing __________________________ 35
Uncoiling PureFlow PEX Tubing __________________________ 35
Bending PureFlow PEX Tubing ___________________________ 35
Removing PureFlow Connections______________________________ 36
Repairs ____________________________________________________ 36
Freezing ___________________________________________________ 37
Water Heaters ______________________________________________ 37
Heaters, Flues, Vents, and Recessed Lights _____________________ 38
Fastening the PureFlow System _______________________________ 39
Wood Frame Construction ______________________________ 39
Steel Construction _____________________________________ 39
Supporting PureFlow PEX Tubing ______________________________ 40
Installation Considerations ____________________________________ 41
PEX Risers____________________________________________ 41
PEX Support Trays _____________________________________ 42
Noise and Water Hammer ____________________________________ 43
Shower Valves______________________________________________ 44
Electrical Grounding _________________________________________ 44
Expanding Foams ___________________________________________ 44
Fire Stop Compounds _______________________________________ 45
Tubing Expansion ___________________________________________ 45
Table of Contents