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The tee features solder cups. This fitting allows for a connection to be made in continuous pipeline and branch out to a different direction. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO® copper fittings are manufactured in an ISO 9001 certified facility, and backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.
Copper Fittings Installation Instructions
- Dezincification resistant
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- ASTM B584 Alloy C84400
- Material and workmanship per ASME B16.18
Copper Fittings Installation Instructions
Manufacturer Resources
NIBCO Copper Fittings Catalog
Product Specs
- All Basic Material:
- Bronze
- Classification:
- Solder Pressure Tees
- End Connection:
- Solder
- Metal End Connection Type:
- C x C x C
- Product Group:
- Fitting
- Product Type:
- Solder Pressure Tees
- System Use:
- Commercial Plumbing, Fire Protection, Heating, HVAC, Industrial, Irrigation, Residential Plumbing
- Type of Tee:
- Straight Size;Supply and Return
- Product Subgroup:
- Tee
- Department:
- Plumbing
- Product Length:
- 1.81 in
- Product Height:
- 1.69 in
- Product Weight:
- 0.167 lb
- Product Width:
- 1.69 in
Nibco B138000 – Frequently Asked Questions
1) Can the Nibco 711-A supply and return tee be used on potable drinking water lines?
No. The 711-A is a cast bronze supply and return tee that is prohibited from use in U.S. drinking water applications after January 3, 2014. Use it on hydronic heating, HVAC, fire protection, industrial, or irrigation lines instead. For potable copper work you need a lead-free rated wrot or cast fitting.
2) What does C x C x C mean on this Nibco tee, and what pipe does it join?
All three openings are solder cups, so the run inlet, run outlet, and branch all slip over copper tube and get sweated with solder. No threading and no press jaws. The 711-A is offered in 1/2 inch, so it takes 1/2 inch nominal copper tube on all three ports.
3) What is a supply and return tee used for in a hydronic system?
A supply and return tee diverts part of the flow from a main loop into a branch (a radiator or convector) and returns it, rather than forcing the whole loop through the terminal unit. The Nibco 711-A is that style of tee, and it is also a straight size tee, meaning all three ports are the same size, so it drops into a continuous line and branches off in a new direction.
4) Is the Nibco 711-A tee cast bronze or wrot copper, and does it matter?
Cast bronze, made to ASTM B584 Alloy C84400 with material and workmanship per ASME B16.18. Cast bodies are heavier walled than wrot copper fittings and are what you typically see on specialty patterns like supply and return tees. The alloy is dezincification resistant, which matters on closed hydronic loops and glycol systems.
5) Can I press or thread this tee instead of soldering it?
No. Every port on the 711-A is a solder cup, so it has to be sweated. There is no thread and no press bead. If your crew is running press copper, you need a press pattern fitting; this one requires torch, flux, and solder.
6) What size Nibco 711-A supply and return tee is available?
The 711-A is offered in 1/2 inch, MPN B138000, with all three solder cups at that size. Order by that part number if your submittal calls out a 1/2 inch cast bronze supply and return tee.
7) Is this tee approved for fire protection piping?
Fire protection is one of the listed system uses for the 711-A, alongside commercial and residential plumbing, heating, HVAC, industrial, and irrigation. For a sprinkler submittal, check the engineer's spec against NIBCO's technical data sheet for pressure and listing detail on the specific line.
How fast can I get the Nibco B138000 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 Nibco B138000 come with a warranty?
Absolutely. The Nibco B138000 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 Nibco B138000?
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selection,
installation tips, and troubleshooting. Contact Us
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