We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

NIBCO Sweat Fitting Union: 1 in CTS x 1 in CTS, Cup x FTG, Cast Copper (MPN C733 1) - Cast Copper & Bronze Tube Fittings
NIBCOCast Copper & Bronze Tube Fittings

NIBCO Sweat Fitting Union: 1 in CTS x 1 in CTS, Cup x FTG, Cast Copper (MPN C733 1)

SKU 3G-OTH-469257

Brand
NIBCO
Item
Sweat Fitting Union: 1 in CTS x 1 in CTS, Cup x FTG, Cast Copper
Category
Cast Copper & Bronze Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

NIBCO
Manufacturer Part Number
C733 1
Type
Cup x FTG, Cast Copper
View Full Spec Sheet

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

Frequently Asked Questions

What is NIBCO sweat fitting union used for?

This NIBCO sweat fitting union connects two copper pipes of the same size in a plumbing or HVAC system, allowing easy disassembly for maintenance. It is commonly used in potable water, heating, and cooling applications where a reliable, leak-free joint is required.

What are the specifications of NIBCO C733 1 union?

The NIBCO C733 1 is a cast copper sweat fitting union with 1 in CTS cup x 1 in CTS cup connections. It features a cup x FTG (fitting) design for soldered installation. The manufacturer part number is C733 1, and it is made from durable cast copper.

Where to buy NIBCO C733 1 union worldwide?

3G Electric supplies the NIBCO C733 1 cast copper union to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fitting.

How to install a NIBCO sweat fitting union?

To install this NIBCO union, clean and flux the pipe ends and fitting cups, then heat evenly with a torch until solder melts into the joint. Allow to cool without disturbing. Ensure the union nut is tightened after soldering for a secure, leak-free connection.

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

NIBCO Products

3G Electric supplies NIBCO 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
NIBCO Sweat Fitting Elbow: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Drop Ear, Cast Copper (MPN U7073-1/2)
NIBCO
NIBCO Sweat Fitting Elbow: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Drop Ear, Cast Copper (MPN U7073-1/2)
NIBCO Sweat Fitting Tee: 3/4 in CTS x 3/4 in CTS x 3/4 in CTS, Cup x Cup x Cup, Cast Bronze (MPN 749-3/4)
NIBCO
NIBCO Sweat Fitting Tee: 3/4 in CTS x 3/4 in CTS x 3/4 in CTS, Cup x Cup x Cup, Cast Bronze (MPN 749-3/4)
NIBCO Pipe Hanger: 1/2 in CTS x 1/2 in CTS, Cup x FTG, Hi Ear, Bronze (MPN 7245A 1/2)
NIBCO
NIBCO Pipe Hanger: 1/2 in CTS x 1/2 in CTS, Cup x FTG, Hi Ear, Bronze (MPN 7245A 1/2)
NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in Pipe, Cup x MNPT, Cast Copper (MPN U7334-1/2)
NIBCO
NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in Pipe, Cup x MNPT, Cast Copper (MPN U7334-1/2)
NIBCO Sweat Fitting Tee: 1 in CTS x 1/8 in Pipe x 1 in CTS, Cup x FNPT x Cup, Cast Bronze (MPN 705 1X1/8X1)
NIBCO
NIBCO Sweat Fitting Tee: 1 in CTS x 1/8 in Pipe x 1 in CTS, Cup x FNPT x Cup, Cast Bronze (MPN 705 1X1/8X1)
NIBCO Sweat Fitting Adapter: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Drop Ear, Bronze (MPN 7035-1/2)
NIBCO
NIBCO Sweat Fitting Adapter: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Drop Ear, Bronze (MPN 7035-1/2)
NIBCO Sweat Fitting Elbow: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Bronze (MPN 7073-1/2)
NIBCO
NIBCO Sweat Fitting Elbow: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Bronze (MPN 7073-1/2)
NIBCO Sweat Fitting Tee: 1/2 in CTS x 1/2 in CTS x 1/4 in Pipe, Cup x Cup x FNPT, Cast Bronze (MPN 712R 1/2X1/2X1/4)
NIBCO
NIBCO Sweat Fitting Tee: 1/2 in CTS x 1/2 in CTS x 1/4 in Pipe, Cup x Cup x FNPT, Cast Bronze (MPN 712R 1/2X1/2X1/4)