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
Product Instructions
15
PG-PF 724998 0320 PureFlow System
Viega PureFlow Press Power Tool
1
FostaPEX
®
2
4
3
6
7
1
Square o tubing to proper length.
Uneven, jagged, or irregular cuts will
produce unsatisfactory connections.
2
If using FostaPEX tubing, insert into
prep tool, push and turn until no
resistance is felt.
3
Insert PureFlow Press tting with attached
sleeve into tubing and engage fully.
4
Ensure full tubing insertion at view
holes in attached press sleeve. Full
insertion means tubing must be
completely visible in at least two view
holes and partially visible in the one.
5
Insert the appropriate PureFlow press
jaw into the press tool and push in the
holding pin until it locks.
6
Open jaw and position perpendicular
over press sleeve, resting it against the
tool locator ring.
The tool locator ring must
be in the factory-installed
position while making a press
to ensure a consistent leak-
proof connection. It may be necessary
to rotate the tool locator ring to avoid
interference between the ring and tool.
7
Start the pressing process; hold the
trigger until the jaw has automatically
released.
8
When press connection is complete, open
and remove the jaw.
5
8
WARNING!
The tool locator ring must be
present to ensure a proper
PureFlow Press connection.
CAUTION!
Do not press twice.










