1/2C X 3/8 FPT COP ADAPT

1/2" C x 3/8" FPT Copper Adapter (COP ADAPT)

This is a plumbing transition fitting that connects copper tubing to a threaded connection.

What it is

A sweat × female thread adapter:

• 1/2" C (copper sweat end) — connects to 1/2" copper pipe using solder
• 3/8" FPT (female pipe thread end) — accepts a 3/8" male threaded fitting (NPT)

What it does

• Converts a 1/2" copper line into a 3/8" threaded outlet
• Provides a transition from soldered copper piping → threaded connection
• Allows connection to valves, fixtures, or equipment with 3/8" male threads

Key features

• Material: typically copper or copper alloy
• Connection types:
  • Sweat (C) = solder joint on copper side
  • FPT = female threaded outlet
• Designed for permanent copper connection + removable threaded connection

Common uses

• Water supply and distribution lines
• HVAC and mechanical piping systems
• Small branch connections
• Connecting copper tubing to:
  • valves
  • appliances
  • instrumentation or control fittings