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The cast bronze adapter features a solder cup and actual outside diameter tube. The fitting provides a means of adapting a solder connection to an OD tube connection. 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
- ASTM B584 Alloy C84400
- Material and workmanship per ASME B16.23
Copper Fittings Installation Instructions
Manufacturer Resources
Product Specs
- All Application(s):
- DWV Drain / Waste / Vent
- All Basic Material:
- Bronze
- Classification:
- Solder DWV Adapters
- End Connection:
- Solder
- Metal End Connection Type:
- C x O.D. Tube
- Product Group:
- Fitting
- Product Type:
- Solder DWV Adapters
- System Use:
- Commercial Plumbing, Residential Plumbing
- Product Subgroup:
- Adapter
- Department:
- Plumbing
Nibco E011800 – Frequently Asked Questions
1) What does the Nibco 801-T trap adapter connect to on each end?
One end is a solder cup (C) that sweats onto copper DWV tube, and the other end is sized to actual outside diameter tube so it mates with a slip-joint trap connection. It is the transition piece when you need to go from a soldered copper drain line to an OD tube trap arm.
2) What sizes does the Nibco 801-T DWV trap adapter come in?
Three: 1-1/4 inch (E011750), 1-1/2 inch (E011800), and a reducing 1-1/2 by 1-1/4 inch (E011850). The reducing size is what you want when the branch drain is 1-1/2 inch copper but the trap is 1-1/4 inch, which is common on lavatories.
3) Can I use a Nibco 801-T trap adapter on a pressurized water line?
No. The 801-T is a DWV fitting, made for drain, waste and vent service only. Use a pressure-rated copper adapter for supply piping.
4) Is the 801-T trap adapter bronze or copper, and does it matter for water quality?
It is cast bronze, ASTM B584 alloy C84400, and it is dezincification resistant, so it holds up in drainage service where zinc leaching would otherwise eat a lower grade brass fitting. Material and workmanship follow ASME B16.23.
5) Do I need solder and flux to install the 801-T, or is it a push connection?
It solders. The cup end is a sweat joint, so you will need flux, solder and a torch, plus clean and deburred tube. Nibco publishes copper fittings installation instructions covering joint prep and heating. Nothing is included with the fitting itself.
6) Is the Nibco 801-T approved for commercial work or only residential?
Both. It is listed for commercial and residential plumbing systems, so the same fitting covers a multi-family lavatory rough-in and a hospital restroom retrofit.
7) Will a cast bronze DWV trap adapter work in a LEED or sustainable renovation spec?
Copper and bronze drainage fittings are reusable and recyclable, which is why they get specified on sustainable projects, and Nibco manufactures these in an ISO 9001 certified facility. The 801-T is cast bronze to ASTM B584 C84400.
How fast can I get the Nibco E011800 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 Nibco E011800 come with a warranty?
Absolutely. The Nibco E011800 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 E011800?
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