We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NIBCO Sweat Fitting Adapter: 1/8 in CTS x 1/4 in Pipe, Cup x MNPT - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO Sweat Fitting Adapter: 1/8 in CTS x 1/4 in Pipe, Cup x MNPT

SKU 3G-OTH-472381

Brand
NIBCO
Item
Sweat Fitting Adapter: 1/8 in CTS x 1/4 in Pipe, Cup x MNPT
Category
Wrot Copper 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
604R 1/8x1/4
Type
Cup x MNPT, Wrot 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 604R 1/8x1/4 wrot copper adapter used for?

This NIBCO sweat fitting adapter connects 1/8 in CTS copper tube to a 1/4 in male pipe thread, commonly used in plumbing and HVAC systems for transitioning between tube and threaded connections in water or gas lines.

What are the specifications of NIBCO 604R 1/8x1/4?

The NIBCO 604R is a wrot copper adapter with a cup x MNPT connection, sized 1/8 in CTS x 1/4 in pipe. It is designed for sweat/solder installation and is suitable for residential and commercial plumbing applications.

Where to buy NIBCO 604R 1/8x1/4 worldwide?

3G Electric supplies NIBCO 604R 1/8x1/4 wrot copper adapters worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you get the right fitting for your plumbing or HVAC project.

How to install NIBCO 604R 1/8x1/4 sweat fitting?

Clean the tube end and fitting cup, apply flux, assemble, and heat with a torch until solder flows into the joint. Allow to cool naturally. Always follow local plumbing codes and use proper safety gear when soldering copper fittings.

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 wrot copper 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 Coupling: 1/4 in CTS x 1/4 in CTS, Cup x FTG, No Center Stop, Wrot Copper (MPN 601-1/4)
NIBCO
NIBCO Sweat Fitting Coupling: 1/4 in CTS x 1/4 in CTS, Cup x FTG, No Center Stop, Wrot Copper (MPN 601-1/4)
NIBCO Sweat Fitting Tee: 5/8 in CTS x 5/8 in CTS x 3/4 in CTS, Cup x Cup x Cup, Bulkhead (MPN 611BH 5/8X5/8X3/4)
NIBCO
NIBCO Sweat Fitting Tee: 5/8 in CTS x 5/8 in CTS x 3/4 in CTS, Cup x Cup x Cup, Bulkhead (MPN 611BH 5/8X5/8X3/4)
NIBCO Sweat Fitting Coupling: 5/8 in CTS x 5/8 in CTS, Cup x FTG, No Center Stop, Wrot Copper (MPN 601-5/8)
NIBCO
NIBCO Sweat Fitting Coupling: 5/8 in CTS x 5/8 in CTS, Cup x FTG, No Center Stop, Wrot Copper (MPN 601-5/8)
NIBCO Sweat Fitting Coupling: 3/16 in CTS x 3/16 in CTS, Cup x FTG, Dimple Center Stop, Wrot Copper (MPN 600-3/16)
NIBCO
NIBCO Sweat Fitting Coupling: 3/16 in CTS x 3/16 in CTS, Cup x FTG, Dimple Center Stop, Wrot Copper (MPN 600-3/16)
NIBCO Sweat Fitting Elbow: 3 in CTS x 3 in CTS, Cup x FTG, Wrot Copper (MPN 607LT 3)
NIBCO
NIBCO Sweat Fitting Elbow: 3 in CTS x 3 in CTS, Cup x FTG, Wrot Copper (MPN 607LT 3)
NIBCO Sweat Fitting Coupling: 3/4 in CTS x 3/8 in CTS, Cup x FTG, Wrot Copper (MPN 600R 3/4x3/8)
NIBCO
NIBCO Sweat Fitting Coupling: 3/4 in CTS x 3/8 in CTS, Cup x FTG, Wrot Copper (MPN 600R 3/4x3/8)
NIBCO Sweat Fitting Stub-Out: 1/2 in CTS x 1/2 in CTS, FTG x FTG, Wrot Copper (MPN 620L 1/2X12)
NIBCO
NIBCO Sweat Fitting Stub-Out: 1/2 in CTS x 1/2 in CTS, FTG x FTG, Wrot Copper (MPN 620L 1/2X12)
NIBCO Sweat Fitting Tee: 1/8 in CTS x 1/8 in CTS x 1/8 in CTS, Cup x Cup x Cup, Wrot Copper (MPN U611-1/8)
NIBCO
NIBCO Sweat Fitting Tee: 1/8 in CTS x 1/8 in CTS x 1/8 in CTS, Cup x Cup x Cup, Wrot Copper (MPN U611-1/8)