Tigris K1 is a multilayer pipe system designed for potable water and heating applications. It is ideally suited for installation on commercial projects such as schools, apartment blocks and hotels. The K1 Equal Tee provides three 16mm press-fit connections within a tee-shaped configuration allowing a clean, well built system. The system comprises multilayer composite pipe and high quality polyphenylsulfone (PPSU) fittings with a fixed stainless steel sleeve, providing a robust and long lasting system. The patented hexagonal head shape means low insertion force is required at assembly.