1-1/4 inch x 1 inch Copper Press Reducing Coupling Press Fitting x Copper

1-1/4" x 1" Copper Press Reducing Coupling – Engineered for Performance and Code Compliance

The 1-1/4" x 1" Copper Press Reducing Coupling is a high-quality, lead-free fitting designed for use in potable water, hydronic heating, and other mechanical piping systems. With a press connection on each end, this coupling offers fast, flame-free installation, making it ideal for professionals seeking a secure and efficient way to transition between pipe sizes.

Performance Features

• Lead-Free Copper Construction – Complies with NSF 61 and NSF 372 standards for use in drinking water systems.
• Press Technology – Features dual press ends with factory-installed EPDM sealing elements for permanent, leak-resistant joints without the need for soldering.
• Dimensional Accuracy – Machined to strict tolerances for a precise fit, reducing joint misalignment and promoting long-term system integrity.
• Corrosion Resistant – Durable copper material stands up to aggressive water conditions and is compatible with a wide range of plumbing applications.

Specifications

• Material: Lead-free wrought copper
• Connection: Press x Press
• Sizes: 1-1/4" press inlet x 1" press outlet
• Seal Material: EPDM
• Standards: ASME B16.51, NSF/ANSI 61, NSF/ANSI 372, and IAPMO listed
• Max Pressure: 200 PSI (dependent on system design)
• Operating Temperature: up to 250°F (120°C)

Professional Use Cases

• Potable water distribution systems
• Hydronic radiant heating and cooling
• Chilled water loops in HVAC installations
• Commercial repipe and retrofit scenarios where soldering is impractical

Installation Requirements

Installation requires an approved pressing tool compatible with copper press fittings and must be performed in accordance with manufacturer guidelines. Proper pipe preparation—cutting, deburring, and ensuring cleanliness—is essential for achieving a strong, watertight seal.

Did You Know?

Press fittings have gained wide acceptance in commercial and institutional construction due to the reduced labor time and improved jobsite safety associated with flameless connections. This has made them a preferred method for code-compliant plumbing systems.

The 1-1/4" x 1" Copper Press Reducing Coupling delivers reliability, speed, and long-term value to any professional plumbing system. Engineered to meet demanding installation environments, it’s the right choice when precision and performance matter most.