We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Bronze ProPress union trap, straight shape, press-fit ends, 1-1/4 inch connections

Viega

Viega 79140 ProPress union trap 1-1/4" x 1-1/4

SKU CH-JAEP-XTG1Z MPN 79140

A press-fit bronze union trap with EPDM seals rated to 200 psi and 250 °F for potable-water systems

  • TypeDrain Components
  • MaterialHAWA
  • Bronze body resists corrosion in potable water systems
  • Press-fit ends on both sides install without soldering
  • EPDM O-ring seals to 200 psi and 250 °F
  • Straight union design simplifies 1-1/4 in copper tube connections
  • Meets ASTM B75 and ASTM B88 standards for quality assurance

ProPress union trap 1-1/4

The Viega 79140 is a straight press-fit union for potable water systems. Bronze construction with an EPDM O-ring handles up to 200 psi and 250 °F. It connects two 1-1/4 inch copper tube ends without threading or soldering. The overall length is 3 11/16 inches.

Replaces threaded or soldered unions

Use this fitting when a removable joint is needed on copper pipe without open flame. The press connection cuts installation time and avoids flux residue. The jump is worth it on retrofit jobs where draining and threading are impractical, or where local code favours press systems over sweat fittings.

Capacity and headroom

Rated for 200 psi and 250 °F, it covers standard hot and cold potable water lines in residential and light commercial service. The bronze body and EPDM seal resist corrosion in typical water chemistry. It is not intended for steam, gas, or pressures beyond the listed maximum.

Highlights

  • Bronze body resists corrosion in potable water systems
  • Press-fit ends on both sides install without soldering
  • EPDM O-ring seals to 200 psi and 250 °F
  • Straight union design simplifies 1-1/4 in copper tube connections
  • Meets ASTM B75 and ASTM B88 standards for quality assurance

Specifications

TypeDrain Components
MaterialHAWA
BrandViega
Model79140

Questions about this item

What copper tube size does the Viega 79140 ProPress union trap accept on each end?

Each press-fit end is sized for 1-1/4 in copper tube, giving a straight union with an overall length of 3 11/16 in.

Which tool and jaw size are required to press the Viega 79140, and what step is often missed?

Use a ProPress-compatible press tool with a 1-1/4 in jaw; the step often missed is fully seating the tube until it contacts the internal stop before pressing.

When should the EPDM O-ring in the Viega 79140 be inspected or replaced?

Inspect the EPDM O-ring during any system service or if leaks appear; replace it if it shows hardening, cracking, or permanent deformation after exposure to temperatures up to 250 °F.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.