PureFlow System

Viega PureFlow PEX offers a complete plumbing solution that’s easy to install and helps reduce water waste. With fittings, manifolds and tubing, Viega provides everything you need for a total plumbing system.

The PureFlow System installs in a fraction of the time compared to alternatives. They pressure test immediately and don’t require time for drying, curing or contracting. In fact, they’re so efficient, they’ll save to up 3 hours per residential installation!

Array of Viega PureFlow Press Fittings

PureFlow Press Fittings

  • 100% factory assembled press fitting
  • One-tool platform
  • 25-year limited warranty
  • Smart Connect identifies unpressed fittings, ensuring quality connections

Red, blue, gray, black and purple PEX lines.

PureFlow PEX

  • Flexibility eases installation
  • 100% Made in the U.S.A.
  • 25-year warranty
  • Highest rating for chlorine and UV resistance per industry standards

Close-up of the Viega Manabloc PEX hub

Viega ManaBloc

  • Fewer fittings and potential leak points
  • Centralized plumbing hub for easy control
  • 10-year limited warranty
  • Run multiple fixtures without dramatic pressure or temerature changes



Viega was the first to offer press joining systems in North America, the first to offer a proven method to verify secure connections and the first to offer the same time-saving press technology. Viega ProPress systems also offer patented Viega Smart Connect technology, which helps installers easily identify unpressed connections.

Un-pressed Viega press fitting


Identify an unpressed connection during pressure testing when water or air flows through the Smart Connect feature.

Viega press fitting being pressed by press tool


Use the tool to press the fitting onto the tube, making a permanent and secure connection.

Pressed Viega press fitting


Viega ProPress connections are fast, flameless and secure.

  • Make secure press connections in 7 seconds or less
  • Smart Connect feature helps installers easily identify unpressed connections
  • Connections can be made wet or dry for quick repairs on existing systems
  • Eliminate the need for burn permits and fire watches with flameless press technology
  • NSF 14- and NSF 61-G-approved
  • 25-year limited warranty
  • Available in ½" to 1-½" CTS sizes (limited 2"" products available)

Featured Tools

Item # 288990
Milwaukee M18 Force Logic Press Tool Kit (6 jaws included)

Item # 288982
Milwaukee M12 Force Logic Press Tool Kit (3 jaws included)

Item # 3574392
RIDGID RP 340 Battery Press Tool Kit (No jaws)

Item # 813276
RIDGID RP 340 Battery Press Tool Kit (with jaws)