1-1/4" NOM C x 1-1/2" FNPT Copper Reducing Adapter MPN:603R 11/4x11/2
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In Stock
Free Shipping
In Stock
SKU
510-G1805842
1-1/4" NOM C x 1-1/2" FNPT Copper Reducing Adapter
Easily connect copper tubing to 1-1/2 inch FNPT pipes with this 1-1/4 inch NPT x 1-1/2 inch FNPT copper reducing adapter from Nibco. Suitable for air, gases, and potable water applications, this sweat fitting adapter features a durable wrot copper construction and a maximum operating pressure of 439 psi at 100°F. Ideal for use in residential and commercial plumbing systems, this reducing adapter provides a reliable and leak-free connection. Its compact design and easy installation make it a convenient solution for plumbers and DIYers alike, ensuring a secure and long-lasting connection in a variety of applications.
Top product features:
- Connects 1-1/4in copper tubing to 1-1/2in FNPT fittings
- Reduces the outer diameter of the copper tubing to fit the FNPT fitting
- Suitable for use with air, gases, and potable water applications
Top product applications:
- Air
- Gases
- Potable Water
Sweat Fitting Adapter, Application Air, Gases, Potable Water, Fitting Side A Connection Type Cup, Fitting Side B Connection Type FNPT, Fitting Side A Copper Tube Size 1 1/4 in, Fitting Material Wrot Copper, Fitting Side B Pipe Size 1 1/2 in, Fitting Side A Tube Outer Diameter 1 3/8 in, Maximum Operating Pressure 439 psi @ 100 Degrees F, Maximum Operating Temperature 400 Degrees F, Specific Fitting Shape Reducing Adapter
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.30
- Package Width: 2.30
- Package Height: 2.30
- Package Weight: 0.44
Product info last updated on February 24, 2026 9:00am UTC
Category: Pipes, Valves and Fittings