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
Copper drain trap with flange connection, 3 inch nominal size

Nibco, Inc.

Nibco, Inc. 741 3 in C x Flange Copper Trap

SKU CH-HG93-XYNJ5 MPN 741

A 3-inch cast copper trap with C x Flange connection rated for 95 psi at 100°F and temperatures up to 400°F

  • TypeDrain Components
  • MaterialHAWA
  • Copper construction resists corrosion for long service life
  • C x Flange connection fits 3 in nominal tube size
  • Rated to 95 psi at 100 °F for reliable pressure handling
  • Meets ANSI B 16.18 standard for quality assurance

Copper Drain Flange for 3-inch Lines

The Nibco 741 is a cast-copper flange fitting designed for 3-inch nominal tube with a C x Flange connection. It suits plumbing installers and maintenance crews who need a durable joint in drain systems. The component meets ANSI B16.18 dimensional standards for reliable compatibility.

Rated to 95 psi at 100°F across 0 to 400°F

The copper construction handles continuous service temperatures from freezing up to 400 degrees Fahrenheit without degradation. At the rated pressure of 95 psi and 100 degrees Fahrenheit the joint remains leak-free. No moving parts or seals mean silent operation and zero power draw.

Highlights

  • Copper construction resists corrosion for long service life
  • C x Flange connection fits 3 in nominal tube size
  • Rated to 95 psi at 100 °F for reliable pressure handling
  • Meets ANSI B 16.18 standard for quality assurance

Specifications

TypeDrain Components
MaterialHAWA
BrandNibco
Model741 3

Questions about this item

How do I solder the 3 in C end to copper pipe without leaking?

Clean both surfaces, apply flux, heat the joint evenly until solder flows around the full circumference, then let cool without moving the pipe.

When should I replace the cast copper flange if it sees 95 psi at 100 Degrees F?

Inspect annually for green corrosion or stress cracks; replace immediately if any weeping appears at the flange face or solder joint.

Also in this aisle

People compared these

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