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NIBCO Sweat Fitting Adapter: 1 1/2 in CTS x 1 1/2 in Pipe, Cup x FNPT - Wrot Copper Tube Fittings
NIBCOWrot Copper Tube Fittings

NIBCO Sweat Fitting Adapter: 1 1/2 in CTS x 1 1/2 in Pipe, Cup x FNPT

SKU 3G-OTH-472584

Brand
NIBCO
Item
Sweat Fitting Adapter: 1 1/2 in CTS x 1 1/2 in Pipe, Cup x FNPT
Category
Wrot Copper Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
603-11/2
Type
Cup x FNPT, Wrot Copper
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a NIBCO sweat fitting adapter used for?

A NIBCO sweat fitting adapter connects copper tubing to threaded pipe in plumbing and HVAC systems. The cup end solders onto 1 1/2 in CTS copper tube, while the FNPT end accepts a 1 1/2 in male threaded pipe, enabling a reliable transition between joining methods.

What are the specifications of the NIBCO 603-11/2 sweat fitting adapter?

The NIBCO 603-11/2 is a wrot copper sweat fitting adapter with a cup x FNPT connection. It fits 1 1/2 in CTS copper tube on the cup end and 1 1/2 in pipe on the FNPT end. The manufacturer part number is 603-11/2, and it is designed for soldered installation.

Where to buy NIBCO sweat fitting adapters worldwide?

3G Electric supplies NIBCO sweat fitting adapters 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 the NIBCO 603-11/2 or other wrot copper fittings.

How to install a NIBCO sweat fitting adapter?

To install a NIBCO sweat fitting adapter, clean and flux the cup end and the 1 1/2 in CTS copper tube. Slide the cup over the tube, heat evenly with a torch, and apply solder until it flows into the joint. Allow to cool before pressurizing. 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

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.

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