Ndl Industries W1132 Copper Male Adapter 5/8x3/8 C X Mpt

Product Description

The NDL INDUSTRIES W1132 is a copper male adapter fitting designed to transition from a copper sweat (C) connection to a male pipe thread (MPT) connection. The fitting accepts a 5/8-inch copper tube on the sweat end and steps down to a 3/8-inch male pipe thread on the outlet end. It is a standard C x MPT adapter used in residential and light commercial plumbing and HVAC piping systems where a threaded connection to a valve, fitting, or equipment port is required. Licensed plumbers and HVAC technicians install this type of fitting during rough-in work, equipment connections, and system modifications.

This adapter is suited for copper tubing installations that terminate at a threaded component. Common applications include connecting copper supply lines to threaded shutoff valves, equipment inlets, or manifold ports. The 5/8-inch sweat end solders directly to standard 5/8-inch OD copper tubing, while the 3/8-inch MPT end threads into a female pipe thread (FPT) port. It is typically found in potable water, hydronic heating, and HVAC refrigerant line service applications where mixed-connection transitions are required.

Key Features

• C x MPT configuration transitions from soldered copper tubing to male pipe thread
• 5/8-inch sweat inlet to 3/8-inch MPT outlet — handles a reducing transition in a single fitting
• Copper construction provides corrosion resistance and compatibility with standard solder joining methods
• Sold in a box quantity of 50, suitable for stocking or multi-unit job requirements

Compatibility

Designed as an OEM-style replacement and standard-use fitting for copper piping systems using C x MPT connections with a 5/8-inch sweat inlet and 3/8-inch male pipe thread outlet.

Installation Notes

Installation should be performed by a licensed plumber or HVAC technician following applicable local plumbing codes and ASTM or ASME standards for soldered copper joints. Shut off and drain the water or fluid system before cutting into the line and sweating the fitting. The sweat end requires proper flux application, heat, and lead-free solder for potable water systems in compliance with relevant codes. Apply thread sealant tape or compound to the MPT threads before making the threaded connection — do not overtighten, as copper threads can be damaged.

Technical Specifications

• Basic Fitting Type: Adapter
• Specific Fitting Type: MPT Adapter
• Fitting Connection Type: C x MPT
• Connection Size: 5/8 inches x 3/8 inches
• Material: Copper
• Box Quantity: 50

Standard Information

• Brand: NDL INDUSTRIES
• Manufacturer Part Number: W1132