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15488 Viega ProPress tee Smart Connect technology Copper, 1'' x 1'' x 1-1/4''
Manufacturer Resources
Product Specs
- Connection Type:
- P1 x P2 x P3
- Material Type:
- Copper
- Product Dimension:
- 1'' x 1'' x 1-1/4''
- Department:
- Plumbing
- Product Group:
- Plumbing Fittings
- Product Subgroup:
- Tees
- Product Type:
- Tee
- Product Length:
- 1.76"
- Product Height:
- 2.614"
- Product Weight:
- 0.58 lbs
- Product Width:
- 4.134"
- Product Material:
- Copper
Viega 15488 – Frequently Asked Questions
1) What pipe sizes does the Viega ProPress 15488 tee connect?
The Viega 15488 is a reducing press tee sized 1 inch x 1 inch x 1-1/4 inch. Two of the three ports take 1 inch copper tube and the third takes 1-1/4 inch, so it is used where a 1-1/4 inch line branches or transitions down to 1 inch runs. All three ends are press connections, not sweat or threaded.
2) Which port on the 15488 ProPress tee is the 1-1/4 inch one?
The fitting is designated 1 inch x 1 inch x 1-1/4 inch in run-run-branch order, so the two run ends are 1 inch and the branch outlet is 1-1/4 inch. That makes it the fitting to use when a 1 inch main feeds a larger 1-1/4 inch takeoff. If you need the reverse (1-1/4 inch run with a 1 inch branch) you want a different Viega ProPress reducing tee number.
3) Can I use this Viega tee on PEX or steel pipe?
No. The 15488 is a copper press fitting made for copper tube only. Pressing it onto PEX or steel will not make a seal. Viega builds separate press systems for PEX (PureFlow) and for steel (MegaPress); use the matching system for those materials.
4) Do I need two different press jaw sizes to install the 1 x 1 x 1-1/4 ProPress tee?
Yes. Because the fitting mixes sizes, you press the two 1 inch ports with a 1 inch jaw and the 1-1/4 inch port with a 1-1/4 inch jaw. Crews that only carry jaws up to 1 inch will not be able to complete this fitting on the job.
5) What does Smart Connect mean on a Viega ProPress tee, and do I still have to press every joint?
Smart Connect is a feature of the sealing element that lets an unpressed joint leak during pressure testing, so an installer can spot a connection that got missed before the walls close up. It is a check, not a substitute: every one of the three ports on the 15488 still has to be pressed with the correct jaw for its size.
6) How much room do I need to fit the Viega 15488 tee in a wall or joist bay?
The 15488 measures 4.134 inches, 2.614 inches, and 1.76 inches across its published width, height and length, and weighs 0.58 lbs. Plan clearance beyond that for the press tool jaw to close squarely around each port, which needs more space around the fitting than the fitting body itself occupies.
7) Is the Viega 15488 a press fitting or a solder fitting?
Press. All three ends are ProPress sockets that are crimped with a press tool, so there is no torch, flux or solder involved. That is the reason it gets specified in occupied buildings and retrofits where hot work permits are a problem.
8) Can I mix the Viega 15488 with copper fittings from another press brand on the same system?
Stay within one system. The 15488 is a Viega ProPress copper fitting and is designed to be pressed with Viega-approved jaws on the ProPress sealing profile. Mixing fitting brands and tooling on a press system is not something the fitting supports, so run the whole line in ProPress.
9) Where is the Viega 15488 copper press tee manufactured?
It is made in Germany. For spec packages and submittals on public or institutional work that ask for country of origin on plumbing fittings, that is the value to enter for this tee.
10) What is the MPN for the 1 x 1 x 1-1/4 Viega ProPress copper tee?
Order it as Viega part 15488. That single number covers the 1 inch x 1 inch x 1-1/4 inch copper ProPress tee, so distributors and counter staff can match it directly without a finish or option suffix.
How fast can I get the Viega 15488 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 15488 come with a warranty?
Absolutely. The Viega 15488 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 15488?
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