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NIBCO Sweat Fitting Adapter: 1 1/4 in CTS x 1 1/4 in Pipe, Cup x FNPT - Drain, Waste & Vent Wrot Copper & Bronze Tube Fittings
NIBCODrain, Waste & Vent Wrot Copper & Bronze Tube Fittings

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

SKU 3G-OTH-473601

Brand
NIBCO
Item
Sweat Fitting Adapter: 1 1/4 in CTS x 1 1/4 in Pipe, Cup x FNPT
Category
Drain, Waste & Vent Wrot Copper & Bronze Tube Fittings
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Technical Specifications

NIBCO
Manufacturer Part Number
903-11/4
Type
Cup x FNPT, Wrot Copper
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NIBCO Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is NIBCO 903-11/4 sweat fitting adapter used for?

This NIBCO wrot copper adapter connects 1 1/4 in CTS copper tube to female NPT threaded pipe in drain, waste and vent systems. It is commonly used in commercial and industrial plumbing for reliable transitions between copper and threaded connections.

What are the specifications of NIBCO 903-11/4 sweat fitting adapter?

The NIBCO 903-11/4 is a cup x FNPT wrot copper adapter for 1 1/4 in CTS tube x 1 1/4 in pipe. It is designed for DWV applications and features a sweat (solder) connection on the cup end and female NPT threads on the pipe end.

Where to buy NIBCO 903-11/4 sweat fitting adapter worldwide?

3G Electric supplies and delivers the NIBCO 903-11/4 sweat fitting adapter worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination.

How to install NIBCO 903-11/4 sweat fitting adapter?

Clean and flux the copper tube and cup end, then heat evenly and apply solder. For the FNPT end, use thread sealant and tighten to standard torque. Always follow local plumbing codes and manufacturer guidelines for proper installation.

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 drain, waste & vent wrot copper & bronze 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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