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The male adapter features a flared connection and a male NPT thread. The fitting provides a means for adapting a flare connection to a threaded 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.
- Dezincification resistant
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- ASTM B584 Alloy C84400
- Material and workmanship per ASME B16.26
Manufacturer Resources
Product Specs
- All Basic Material:
- Bronze
- Classification:
- Flared Pressure Adapters
- End Connection:
- Threaded
- Metal End Connection Type:
- FL x M
- Product Group:
- Fitting
- Product Type:
- Flared Pressure Adapters
- System Use:
- Commercial Plumbing, Irrigation, Residential Plumbing
- Type of Adapter:
- Heavy;Straight Size;Threaded
- Product Subgroup:
- Adapter
- Department:
- Plumbing
Nibco 3032700 – Frequently Asked Questions
1) Can I use the Nibco 104 adapter on a potable drinking water line?
No. Use of this fitting in U.S. drinking water applications is prohibited after January 3, 2014. It is a cast bronze body in ASTM B584 Alloy C84400, which is not a lead-free potable alloy. For potable service you need a fitting carrying a lead-free designation. The 104 is still usable on non-potable work such as irrigation and mechanical piping.
2) What sizes does the Nibco 104 heavy flared male adapter come in?
Two pipe sizes: 3/4 inch (MPN 3032700 is the 1 inch, 3032400 is the 3/4 inch) and 1 inch. Both are straight size, meaning the flare end and the male thread match each other, so there is no size step built into the fitting. If you need to change size at the connection, you'll need a separate reducing bushing or coupling.
3) Is the Nibco 104 flare adapter suitable for an underground irrigation line?
Yes, irrigation is one of the listed system uses, along with commercial and residential plumbing. The bronze alloy is dezincification resistant, which is the property that matters when a brass fitting sits in soil or in water with aggressive chemistry, since ordinary brass can lose zinc and fail over time.
4) What is the difference between a heavy flare adapter and a standard one?
The Nibco 104 is the heavy pattern, meaning a thicker cast bronze body than a light-duty flare adapter. That extra wall matters where the fitting takes wrench torque on the NPT side or sees mechanical stress at a pump or valve connection. Material and workmanship are per ASME B16.26, the standard covering cast copper alloy fittings for flared copper tube.
5) Do I need to solder the Nibco 104 adapter, or is it a mechanical joint?
No soldering. The flare side is a mechanical joint, made by flaring the end of soft copper tubing and drawing it up with a flare nut against the fitting's cone. The male side is NPT thread, sealed with tape or pipe dope. That makes it a workable choice where open flame is not allowed or where you want a joint you can break later for service.
6) Does the Nibco 104 adapter come with the flare nut?
The 104 is the adapter body alone. A flare joint needs a separate flare nut sized to the tubing, and the tube end has to be flared with a flaring tool before assembly. Order the nut and check that you have the right tubing prep on site before the fitting arrives at the job.
How fast can I get the Nibco 3032700 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 3032700 come with a warranty?
Absolutely. The Nibco 3032700 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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