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Bronze ProPress straight union, 3/4 inch press-fit ends, EPDM O-ring

Viega

Viega 79130 ProPress union 3/4" x 3/4" trap

SKU CH-PCZ5-906WC MPN 79130

A bronze ProPress union joins 3/4" copper tubes with press-fit ends, rated for 200 psi and 250 °F

  • Product typeDrain Components
  • Main materialHAWA
  • Press-fit connections install fast without soldering
  • Bronze body rated to 200 psi for potable water
  • EPDM O-ring seals up to 250 °F
  • Meets ASTM B75 and B88 standards
  • Straight union joins two 3/4 in copper tubes

ProPress Union for Potable Water

The Viega 79130 is a bronze crimp union fitting designed for potable water systems. It joins two 3/4 inch copper tubes using press-fit connections on both ends. The straight union measures 3 5/32 inches overall and uses an EPDM O-ring for sealing.

Suits Press-Fit Copper Installations

Installers working with Viega ProPress tools and 3/4 inch copper tube will find this fitting matches their system. It is not intended for threaded, soldered or push-fit pipework. The fitting also does not serve as a trap or drain body despite its category placement.

Rated for 200 psi and 250 °F

The fitting meets ASTM B75 and ASTM B88 standards and handles a maximum operating pressure of 200 psi at temperatures up to 250 degrees Fahrenheit. These limits define whether the union is appropriate for the planned service conditions.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $29.99
Typical for this category: the median of 4,240 items is $31.99.

Specifications

Product
Brand nameViega
Model name79130
Product typeDrain Components
Size & build
Main materialHAWA

Questions about this item

Should I choose the 3/4" ProPress union or a different size for my copper piping?

This ProPress union is sized for 3/4" copper tube on both ends, so select it when your pipe run uses 3/4" tubing.

What does the 200 psi rating mean once the fitting is pressed onto the pipe?

The pressed joint will hold up to 200 psi in potable water service at temperatures up to 250 °F.

Does the ProPress press-fit connection follow a specific standard that limits pressure or temperature?

The bronze body meets ASTM B75 and the copper tube sizing follows ASTM B88, which together define the 200 psi and 250 °F operating limits.

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