Ndl Industries W1231 Copper Female Adapter 5/8x1/2 C X Fpt

Product Description

The NDL INDUSTRIES W1231 is a copper female adapter designed to transition between a sweat (solder) connection and a female pipe thread connection. The fitting measures 5/8 inches on the copper sweat end and 1/2 inches on the FPT end, making it a straightforward C x FPT configuration. It is used in residential and light commercial plumbing and HVAC piping systems where copper tubing must connect to a threaded female port. Licensed plumbers and HVAC technicians install this type of fitting during new construction, retrofits, and repair work involving copper distribution lines.

This adapter is suited for potable water supply lines, hydronic heating systems, and refrigeration piping applications that require a transition from copper tube to a threaded female connection. The C x FPT configuration is one of the most common adapter arrangements found in residential plumbing rough-in and mechanical room installations. It ships in a box quantity of 50 units, making it practical for contractors stocking their service vehicles or supply rooms.

Key Features

• C x FPT connection type transitions copper sweat tubing to female pipe thread
• 5/8 inch sweat inlet by 1/2 inch FPT outlet sizing
• Copper construction for corrosion resistance and long service life in wet environments
• Sold in box quantities of 50 for contractor-level stocking
• Standard adapter profile fits typical wall, ceiling, and mechanical room rough-in scenarios

Compatibility

Designed as an OEM-style copper sweat-to-FPT adapter for use in residential and light commercial plumbing and HVAC piping systems accepting a 5/8 inch copper sweat inlet and 1/2 inch female pipe thread outlet.

Installation Notes

A licensed plumber or HVAC technician should shut off the water supply and relieve system pressure before cutting into existing copper lines. The sweat end requires proper flux application, a correctly sized torch, and lead-free solder in compliance with applicable plumbing codes such as the IPC. The FPT connection should be made with an approved thread sealant or PTFE tape. Do not over-tighten the threaded joint, as copper fittings are susceptible to cracking under excessive torque.

Technical Specifications

• Fitting Type: FPT Adapter
• Connection Type: C x FPT
• Connection Size: 5/8 inches x 1/2 inches
• Material: Copper
• Box Quantity: 50

Standard Information

• Brand: NDL INDUSTRIES
• Manufacturer Part Number: W1231