Cello
Copper Couplings (w/Ring Stop)
- SKU:
- IWP0-RING
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
ConnectionsCello Products
Copper Couplings (w/Ring Stop)
The Copper Pressure Coupling with Ring Stop is designed to join two sections of copper tubing with proper center alignment in plumbing and mechanical piping systems. Featuring an internal ring stop, it ensures both pipe ends are inserted to the correct depth for secure, leak-resistant soldered connections.
Manufactured from durable copper with Copper x Copper (C x C) sweat connections, this coupling provides outstanding corrosion resistance and dependable long-term performance in potable water, HVAC, hydronic, and other pressure piping applications.

Product Highlights
- Copper pressure coupling with internal ring stop
- Copper x Copper (C x C) sweat connections
- Internal stop ensures proper pipe insertion depth
- Designed for secure, leak-resistant soldered joints
- Excellent corrosion resistance and long service life
- Suitable for potable water, HVAC, and hydronic piping systems
Available Sizes & Item Numbers (14)
| Size / Configuration | Item Number / SKU |
|---|---|
| 1/8" | IWP0-RING-02 |
| 1/4" | IWP0-RING-04 |
| 3/8" | IWP0-RING-06 |
| 1/2" | IWP0-RING-08 |
| 3/4" | IWP0-RING-12 |
| 1" | IWP0-RING-16 |
| 1-1/4" | IWP0-RING-20 |
| 1-1/2" | IWP0-RING-24 |
| 2" | IWP0-RING-32 |
| 2-1/2" | IWP0-RING-40 |
| 3" | IWP0-RING-48 |
| 4" | IWP0-RING-64 |
| 6" (DIMPLE STOP) | IWP0-96 |
| 8" (DIMPLE STOP) | IWP0-99 |
Product Details & Application Notes
Manufactured from high-quality copper to provide superior durability and resistance to corrosion in pressure piping systems.
The integral ring stop centers the tubing during installation, ensuring consistent insertion depth and reliable solder joints.
Precision-formed sweat ends provide a secure fit for dependable long-term performance in residential, commercial, and industrial applications.
Designed for use with compatible copper tubing and standard soldering methods.
Recommended for potable water, HVAC, hydronic, and general mechanical piping systems.
Refer to the manufacturer's engineering data and soldering guidelines for proper installation procedures.
Product Documents
Product Questions
What is this Cello product used for?
The Copper Pressure Coupling with Ring Stop is designed to join two sections of copper tubing with proper center alignment in plumbing and mechanical piping systems. Featuring an internal ring stop, it ensures both pipe ends are inserted to the correct depth for secure, leak-resistant soldered connections.
How do I choose the correct option?
Select the required size and configuration from the product options. Match the item number, connection requirements, and applicable installation instructions before ordering.

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