1-1/4" NOM C x 1-1/2" FNPT Copper Reducing Adapter MPN:603R 11/4x11/2

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Brand: Nibco
Part #: 603R 11/4x11/2
UPC: 039923301727
SKU
510-G1805842
$98.37 for Order Qty of 3
Regular Price $45.91 Special Price $32.79

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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
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In stock