The 45-degree elbow features a solder cup and a male solder end. The fitting provides a means of changing the pipeline direction by 45 degrees. 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 B75 Alloy C12200
- Material and workmanship per ASME B16.29
Copper Fittings Installation Instructions
Manufacturer Resources
Product Specs
- All Application(s):
- DWV Drain / Waste / Vent
- All Basic Material:
- Copper
- Classification:
- Solder DWV Elbows
- End Connection:
- Solder
- Fitting Bend Angle:
- 45 Deg (1/8 Bend)
- Metal End Connection Type:
- Ftg x C
- Product Group:
- Fitting
- Product Type:
- Solder DWV Elbows
- System Use:
- Commercial Plumbing, Residential Plumbing
- Type of Elbow:
- Fitting / Street
- Product Subgroup:
- Elbow
- Department:
- Plumbing
- Country Of Origin:
- United States
Nibco H044100 – Frequently Asked Questions
1) What does Ftg x C mean on the Nibco 906-2 DWV 45-degree elbow?
Ftg x C is a street configuration: one end is a male fitting end sized to slip into a solder cup, the other is a solder cup that accepts copper tube. That lets you turn 45 degrees straight off another fitting without a short piece of tube between them. Both ends are soldered joints.
2) Can I use this 45-degree copper elbow on a pressure water line?
No. The 906-2 is a DWV fitting, made for drain, waste and vent service only. DWV fittings have thinner walls than pressure fittings and are not rated for supply piping. For a domestic water line use a pressure-rated copper 45 instead.
3) What pipe sizes does the Nibco 906-2 DWV 45-degree street elbow come in?
Four sizes: 1-1/4, 1-1/2, 2 and 3 inch. Part numbers run H044000 for 1-1/4 inch, H044050 for 1-1/2 inch, H044100 for 2 inch and H044150 for 3 inch. Match the size to the copper DWV tube it is joining.
4) Is a 45-degree elbow the same as a 1/8 bend in plumbing drawings?
Yes. The 906-2 is listed as 45 degrees, also called a 1/8 bend on drain layouts. Two of them make a 90-degree offset with a gentler flow path than a single quarter bend, which is why they are used for offsets in waste and vent runs.
5) What material and standards does the Nibco 906-2 elbow meet?
Wrot copper, ASTM B75 alloy C12200, with material and workmanship per ASME B16.29. It is dezincification resistant and made in an ISO 9001 certified facility. That is the spec most commercial drainage submittals ask for on copper DWV fittings.
6) How is this joint made up, soldered or pressed?
Soldered. Both ends are solder joints, so the install is clean, flux, heat and solder with DWV-appropriate filler. There is no press or threaded option on the 906-2.
7) Is this copper DWV elbow acceptable for commercial jobs or just residential?
Both. The 906-2 is listed for commercial and residential plumbing, and the copper DWV system it belongs to is common in multi-family and institutional drainage where plastic is restricted by code or spec.
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Does the Nibco H044100 come with a warranty?
Absolutely. The Nibco H044100 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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