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 cap fitting, 3 inch nominal size, wrot copper finish

Nibco, Inc.

Nibco, Inc. 617 3 in Copper Cap

SKU CH-N792-05DQR MPN 617

A wrot copper cap for 3-inch tube, rated to 317 psi at 100 degrees F and serviceable from -20 to 400 degrees F, meeting ASME/ANSI B 16.22

  • TypeDrain Components
  • MaterialHAWA
  • Wrot copper construction resists corrosion for long service life
  • 3-inch nominal tube size fits standard plumbing connections
  • Rated to 317 psi at 100 Degrees F for reliable pressure containment
  • Operates from -20 Degrees to 400 Degrees F across diverse installations
  • Meets ASME/ANSI B 16.22 standard for quality assurance

Copper Cap for 3 in Tube

The Nibco 617 is a wrought copper cap designed to terminate a 3 inch nominal tube in plumbing installations. It provides a permanent or temporary closure for drain, waste and vent systems where a solder joint is preferred.

Rated 317 psi at 100 Degrees F

The fitting withstands a maximum pressure of 317 psi at 100 Degrees F and operates across a temperature range of -20 Degrees to 400 Degrees F. Copper construction handles thermal cycling without degradation and adds no mechanical noise to the system.

Solder Joint Connection Type C

The Type C fitting connection requires soldering to the tube outside diameter of 3-1/8 in, creating a leak-tight seal that meets ASME/ANSI B 16.22. The cap is not suited for press-fit, threaded or push-to-connect installations.

Highlights

  • Wrot copper construction resists corrosion for long service life
  • 3-inch nominal tube size fits standard plumbing connections
  • Rated to 317 psi at 100 Degrees F for reliable pressure containment
  • Operates from -20 Degrees to 400 Degrees F across diverse installations
  • Meets ASME/ANSI B 16.22 standard for quality assurance

Specifications

TypeDrain Components
MaterialHAWA
BrandNibco
Model617 3

Questions about this item

How do I install the 3 in copper cap on a 3-1/8 in outside diameter tube, and what step is often missed?

Clean the tube end and cap socket, apply flux, insert the tube fully into the C connection, then heat evenly with a torch until solder flows around the joint; the step often missed is heating the fitting body, not just the tube, so solder pulls into the cup by capillary action.

What maintenance or replacement will the wrot copper cap need over its service life?

The cap is a permanent soldered joint; no routine maintenance is required unless a leak develops at the solder seam, in which case the joint must be cut out, the tube re-prepared, and a new cap soldered in place.

What limit appears first when the system runs continuously at high temperature?

The temperature ceiling of 400 Degrees F is reached before the 317 psi pressure rating at 100 Degrees F becomes the limiting factor, so sustained heat is the first constraint.

Also in this aisle

People compared these

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