Three-way connectors are pipe fittings and pipe connection components. Also known as three-way pipe fittings or three-way fittings, they are used at the point where the main pipeline branches off.

A three-way is a type of industrial pipe fitting with three openings: one inlet and two outlets; or two inlets and one outlet. It comes in T-shaped and Y-shaped configurations, with both equal and unequal diameter outlets, and is used at junctions where three pipes, either identical or different, converge. The primary function of a three-way is to alter the direction of fluid flow.