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The NDL INDUSTRIES W4049 is a copper reducing tee designed for use in refrigeration, HVAC, and plumbing piping systems where a branch connection requires a smaller outlet size. The fitting connects two 1-1/8 inch run ports to a 7/8 inch branch port using standard sweat (C x C x C) connections. Copper construction ensures reliable, leak-resistant joints when properly brazed or soldered. This fitting is sold in a box quantity of 10, making it well suited for contractor and service stock. Licensed HVAC technicians and plumbers are the primary installers of this type of fitting.
This reducing tee is used in residential and light commercial piping applications where branching a main line to a smaller-diameter branch is required. Common scenarios include refrigerant distribution lines, hydronic systems, and copper water supply piping. The C x C x C connection type means all three ports accept copper tubing and are joined using heat and filler metal — either brazing alloy for refrigerant service or solder for potable water and HVAC applications.
Designed as an OEM-style copper sweat fitting compatible with standard copper tubing in 1-1/8 inch and 7/8 inch nominal sizes used in HVAC, refrigeration, and plumbing piping systems.
Installation of this fitting should be performed by a licensed HVAC technician or plumber. For refrigerant piping, brazing is required and the system must be recovered and evacuated before opening any lines. For potable water or hydronic applications, solder per applicable local plumbing codes. Ensure all surfaces are clean and properly fluxed before applying heat to achieve a sound, leak-free joint.
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