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MUELLER STREAMLINE (FITTINGS)

3/8 X 1/4 REF RED

3/8 X 1/4 REF RED

W01011



Regular price $7.22
Sale price $7.22 Regular price $46.99
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$39.77 off

3/8" x 1/4" Refrigeration Reducing Coupling (REF RED) — A copper sweat fitting used in HVAC and refrigeration systems to connect two different tubing sizes in a straight-line run.

Product Description:
The 3/8 x 1/4 REF RED is a reducing coupling designed to transition from 3/8-inch copper tubing down to 1/4-inch copper tubing. It is commonly used in refrigeration and air conditioning line sets where precise, leak-free connections are required.

Key Features:

  • 3/8" x 1/4" reducing size connection
  • Copper sweat (solder) fitting
  • Designed for refrigeration/HVAC applications (“REF RED”)
  • High-purity copper for durability and corrosion resistance
  • Smooth internal bore for efficient refrigerant flow
  • Suitable for suction or liquid line modifications

Typical Use:
Used in HVAC and refrigeration systems to adapt line set sizes during installation, repair, or equipment replacement while maintaining a sealed, high-performance refrigerant system.


3/8 X 1/4 REF RED

$7.22