What is the primary use of Type K copper tube?

Type K copper tube is primarily used in domestic plumbing applications due to its thicker walls compared to other types of copper tubing. This added thickness not only provides strength and durability but also allows it to withstand the pressures typically found in water supply systems. Type K is often favored for water service lines, hot and cold water distribution, and even for certain types of heating systems in residential buildings.

In addition to its applications in plumbing, Type K copper can also be used for other purposes; however, its primary designation aligns with domestic plumbing needs. While there are other types of copper tubes designed specifically for refrigeration, high-pressure environments, or compressed air systems, Type K is distinctly recognized for plumbing because it meets the requirements for resistance to corrosion and robustness needed in such settings.