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
34
PG-PF 724998 0320 PureFlow System
Storage Recommendations
1 2
Do’s
3
1
Inspect pipe and ttings before
installing on the job site.
2
Damaged sections of tubing should be
cut out and discarded.
3
Cover any PEX exposed to direct
sunlight with an opaque covering.
4
Handle PEX carefully, especially in
freezing weather.
5 6
8
Don’ts
7
5
Do not expose Viega PureFlow tubing
to sunlight or UV source for extended
periods of time.
6
Do not expose Viega PureFlow tubing
to sharp objects or open ames.
7
Do not store heavy objects on tubing
or ttings.
8
Do not handle PureFlow pipe and
ttings roughly by gouging with tools,
forcing, or dropping.
4
Installing PureFlow Systems










