Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
NIBCO 707-3R-LF 1/2X1/4 Low-Lead Bronze Cup x FNPT Elbow - Low-Lead Cast Copper & Bronze Tube Fittings
NIBCOLow-Lead Cast Copper & Bronze Tube Fittings

NIBCO 707-3R-LF 1/2X1/4 Low-Lead Bronze Cup x FNPT Elbow

NIBCO Low-Lead Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x FNPT, Bronze.

SKU 3G-OTH-485680

Also listed as: 7073RLF12X14 · 707 3R LF 1 2X1 4 · 707-3R-LF-1-2X1-4

Brand
NIBCO
Item
707-3R-LF 1/2X1/4 Low-Lead Bronze Cup x FNPT Elbow
Category
Low-Lead Cast Copper & Bronze Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NIBCO
Manufacturer Part Number
707-3R-LF 1/2X1/4
Type
Cup x FNPT, Bronze

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

NIBCO Low-Lead Cast Copper & Bronze Tube Fittings. Specifications: Type: Cup x FNPT, Bronze.

Frequently Asked Questions

What is a NIBCO sweat fitting elbow used for?

A NIBCO sweat fitting elbow connects copper tubing to threaded pipe in plumbing and HVAC systems. The 1/2 in CTS cup end solders onto tubing, while the 1/4 in FNPT end accepts male threaded pipe, enabling direction changes in low-lead bronze applications.

What are the specifications of the NIBCO 707-3R-LF 1/2X1/4 elbow?

This NIBCO fitting is a Cup x FNPT elbow in bronze, with a 1/2 in CTS cup end and a 1/4 in pipe thread end. The manufacturer part number is 707-3R-LF 1/2X1/4. It is a low-lead cast copper fitting for sweat (solder) installation.

Where to buy NIBCO sweat fittings in worldwide?

3G Electric supplies NIBCO sweat fittings like the 707-3R-LF 1/2X1/4 elbow to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this low-lead bronze fitting.

How to install a NIBCO sweat fitting elbow?

To install a NIBCO sweat fitting elbow, clean the tube end and fitting cup with emery cloth, apply flux, assemble, and heat with a torch until solder flows into the joint. For the FNPT end, use thread sealant and tighten to standard torque. Always follow local plumbing codes.

Used in

Common applications for NIBCO
HVAC systems — NIBCO bronze ball valves (T58570UL series) for isolation and control in chilled water loops
Water treatment plants — NIBCO bronze gate valves (T29 series) for shut-off in filtration and distribution lines
Industrial burner systems — NIBCO brass ball valves (GB2A series) for fuel oil or gas supply lines
Chemical processing — NIBCO bronze ball valves with locking lever (T58570LL series) for safety-critical flow control
Steam systems — NIBCO bronze globe valves for throttling in low-pressure steam applications
General plumbing — NIBCO bronze ball valves (S58570 series) with sweat connections for copper piping in commercial buildings
Not sure this is the right part? Photo-identify it→

NIBCO Products

3G Electric supplies NIBCO low-lead cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from NIBCO

View all NIBCO parts →
This NIBCO fitting is a low-lead cast copper and bronze tube fitting, type Cup x FTG, made of bronze. It is used to connect two 1 1/4 in CTS copper tubes in plumbing systems, allowing for easy disassembly for maintenance or repair without cutting pipes
NIBCO
This NIBCO fitting is a low-lead cast copper and bronze tube fitting, type Cup x FTG, made of bronze. It is used to connect two 1 1/4 in CTS copper tubes in plumbing systems, allowing for easy disassembly for maintenance or repair without cutting pipes
Cast bronze elbow with cup x FNPT connections, joining 1-inch CTS copper tube to 1/2-inch female NPT pipe. Low-lead construction suitable for potable water systems. Used in plumbing and HVAC applications for directional changes in piping
NIBCO
Cast bronze elbow with cup x FNPT connections, joining 1-inch CTS copper tube to 1/2-inch female NPT pipe. Low-lead construction suitable for potable water systems. Used in plumbing and HVAC applications for directional changes in piping
This low-lead bronze sweat elbow connects 1-1/2 in CTS copper tube to 1-1/2 in female NPT pipe. Cup x FNPT configuration allows a 90-degree directional change in plumbing systems. Suitable for potable water, HVAC, and industrial applications requiring lead-free materials
NIBCO
This low-lead bronze sweat elbow connects 1-1/2 in CTS copper tube to 1-1/2 in female NPT pipe. Cup x FNPT configuration allows a 90-degree directional change in plumbing systems. Suitable for potable water, HVAC, and industrial applications requiring lead-free materials
Low-lead cast bronze 90-degree elbow with Cup (sweat) connection for 1-inch CTS copper tube and FNPT threaded connection for 3/4-inch pipe. Used in potable water, HVAC, and industrial plumbing systems to change direction
NIBCO
Low-lead cast bronze 90-degree elbow with Cup (sweat) connection for 1-inch CTS copper tube and FNPT threaded connection for 3/4-inch pipe. Used in potable water, HVAC, and industrial plumbing systems to change direction
This low-lead cast bronze sweat fitting union connects copper tube to threaded pipe or components. One end has a 1/2 inch CTS cup for soldering to copper tube; the other has a 1/2 inch FNPT thread. It allows easy disassembly for maintenance in plumbing and piping systems
NIBCO
This low-lead cast bronze sweat fitting union connects copper tube to threaded pipe or components. One end has a 1/2 inch CTS cup for soldering to copper tube; the other has a 1/2 inch FNPT thread. It allows easy disassembly for maintenance in plumbing and piping systems
This cast bronze tee features a Cup x FNPT x Cup configuration, joining 3/4 in CTS copper tube to 3/4 in pipe via a female NPT thread, with cup ends for soldering. Low-lead compliant, it is suitable for use in potable water and hydronic heating systems
NIBCO
This cast bronze tee features a Cup x FNPT x Cup configuration, joining 3/4 in CTS copper tube to 3/4 in pipe via a female NPT thread, with cup ends for soldering. Low-lead compliant, it is suitable for use in potable water and hydronic heating systems
This low-lead bronze sweat tee connects three copper tubes in a T-branch configuration. It features three 1/2 inch CTS cup ends for soldered connections. Suitable for potable water and hydronic heating systems where lead-free compliance is required
NIBCO
This low-lead bronze sweat tee connects three copper tubes in a T-branch configuration. It features three 1/2 inch CTS cup ends for soldered connections. Suitable for potable water and hydronic heating systems where lead-free compliance is required
Cast bronze tee with two 3/4 in CTS cup ends and one 3/8 in FNPT female threaded branch. Low-lead construction for potable water and hydronic heating systems. Connects copper tubing via sweat connections and provides a threaded outlet for valves or gauges
NIBCO
Cast bronze tee with two 3/4 in CTS cup ends and one 3/8 in FNPT female threaded branch. Low-lead construction for potable water and hydronic heating systems. Connects copper tubing via sweat connections and provides a threaded outlet for valves or gauges