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77392 Viega ProPress tee Smart Connect technology Copper, 3/4'' x 1/2'' x 1/2''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2 x P3
- Material Type:
- Copper
- Product Dimension:
- 3/4'' x 1/2'' x 1/2''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Length:
- 1.248"
- Product Height:
- 1.886"
- Product Weight:
- 0.277 lbs
- Product Width:
- 3.327"
- Product Material:
- Copper
Viega 77392 – Frequently Asked Questions
1) What size copper pipe does the Viega 77392 ProPress tee connect to?
The Viega 77392 is a reducing press tee sized 3/4 inch x 1/2 inch x 1/2 inch, so the run takes 3/4 inch copper tube on one end and 1/2 inch on the other, with a 1/2 inch branch. All three ends are press connections (P1 x P2 x P3), not solder cups or threads, so every outlet gets crimped with a press tool and jaw matched to that size.
2) Will a 3/4 x 1/2 x 1/2 press tee let me branch off a 3/4 inch main without a separate reducer?
That is exactly what it is for. The 3/4 inch end takes the incoming main, the 1/2 inch run end continues the line in 1/2 inch, and the 1/2 inch branch feeds a fixture, so you drop from 3/4 to 1/2 and pick up a branch in one fitting instead of stacking a tee plus couplings and a reducer. If you need the run to stay 3/4 inch past the tee, you want a 3/4 x 3/4 x 1/2 instead, not this one.
3) Is the Viega 77392 ProPress tee copper or bronze, and can I use it on a potable water line?
It is a copper fitting, so it is dimensionally and metallurgically matched to hard-drawn copper water tube, which is what the overwhelming majority of potable water distribution in commercial and multi-family buildings is run in. Copper press fittings like this are used on potable cold and hot water copper systems. If your line is PEX or steel, this is the wrong fitting family.
4) What does Smart Connect on the Viega 77392 press tee actually do for me on the job?
Smart Connect is the deliberate leak path Viega builds into the sealing element so an unpressed connection weeps during pressure test instead of looking finished. On a reducing tee like the 77392 with three press ends, that matters: it is easy to press two outlets and forget the third, and the feature makes the missed crimp show up at test rather than inside a wall. It does not replace pressing, it just makes a skipped press findable.
5) How much room do I need in a joist bay or wall cavity for the Viega 77392 tee?
The fitting measures 3.327 inches wide, 1.886 inches high and 1.248 inches long, and it weighs 0.277 lbs. Allow for that envelope plus clearance for the press jaw to close fully around each of the three ends, which is usually the real constraint in a tight cavity rather than the fitting body itself.
6) What part number do I give my supplier for the Viega 3/4 x 1/2 x 1/2 copper press tee?
Order Viega part number 77392. That is the copper ProPress reducing tee in 3/4 inch x 1/2 inch x 1/2 inch. Viega's bronze press fittings carry different numbers, so the 77392 specifically identifies the copper version.
7) Where is the Viega 77392 ProPress tee made?
It is manufactured in Germany. For specs that require domestic content on a federal or federally funded project, confirm the project's sourcing requirement before you commit this fitting, since country of origin is a line item on many institutional submittals.
How fast can I get the Viega 77392 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Viega 77392 come with a warranty?
Absolutely. The Viega 77392 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Viega 77392?
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