Ndl Industries W1187 Copper Male Adapter C X Mpt

Product Description

The NDL INDUSTRIES W1187 is a copper male adapter designed to transition between a copper sweat connection and a male pipe thread fitting. With a sweat-side size of 2-1/8 inches and a threaded-side size of 2 inches MPT, this adapter handles larger-diameter plumbing connections found in commercial and residential mechanical systems. Plumbers and pipefitters install this fitting when joining copper tubing to threaded iron or steel pipe, valve bodies, or equipment ports. The C x MPT configuration means the copper end is soldered in place while the male threads engage a female-threaded fitting or port.

This adapter is suited for installation in water supply, hydronic heating, and mechanical piping systems where a copper-to-threaded transition is required at a 2-1/8 inch by 2 inch size. The larger connection size makes it common in commercial plumbing applications, boiler rooms, chilled water systems, and main distribution lines. It is sold in a box quantity of 5, making it practical for contractors working on multiple connection points within a single project.

Key Features

• Copper construction provides corrosion resistance in water and hydronic applications
• C x MPT configuration allows solder connection on one end and male pipe thread engagement on the other
• 2-1/8 inch sweat side accommodates standard copper tubing at that diameter
• 2 inch MPT threaded end for connection to female-threaded fittings, valves, or equipment ports
• Box quantity of 5 units supports multi-point installations

Compatibility

Designed as an OEM-style replacement and standard-use fitting for copper plumbing systems requiring a sweat-to-male-thread transition at 2-1/8 inch by 2 inch connection sizes.

Installation Notes

Installation is performed by licensed plumbers or qualified pipefitters. Shut off water supply and depressurize the line before soldering or threading. The copper sweat end requires proper flux application and lead-free solder per applicable plumbing codes, including IPC and local amendments. Ensure female-threaded receiving fittings are clean and use an appropriate thread sealant or PTFE tape on the MPT threads before making up the joint.

Technical Specifications

• Basic Fitting Type: Adapter
• Specific Fitting Type: MPT Adapter
• Fitting Connection Type: C x MPT
• Connection Size: 2-1/8 inches x 2 inches
• Material: Copper
• Box Quantity: 5

Standard Information

• Brand: NDL INDUSTRIES
• Manufacturer Part Number: W1187