2 COP ST MPT ADAPT

2" Copper x Male Pipe Thread Adapter (2 COP ST MPT ADAPT)

This is a transition fitting used in plumbing to connect a copper pipe to a threaded pipe or component.

What it is

A sweat-to-thread adapter with:

• 2" COP (copper sweat socket end) — connects to 2" copper tubing using solder (sweat joint)
• MPT (Male Pipe Thread) — external threaded end (typically NPT) that screws into a female-threaded fitting or valve

What it does

• Converts a 2" copper line into a threaded connection
• Allows copper piping to connect to:
  • Valves
  • Pumps
  • Equipment with female threads
• Creates a permanent solder joint on one side and removable threaded joint on the other

Key features

• Material: copper (sometimes brass on threaded end depending on brand)
• Connection types:
  • Sweat (solder) on copper side
  • Male NPT threads on outlet side
• Designed for strong, leak-resistant transitions between systems

Common applications

• Water supply and distribution systems
• HVAC and mechanical piping
• Pump and equipment connections
• Commercial and residential plumbing installations