The reducing tee is used as the branch has a smaller diameter as the run-pipe.he function of a tee is to permit flow at 90° to the main direction of flow. The main flow passes through the 'run' whilst the 90° outlet is known as the 'branch'. The reducing tee is manufactured with the branch outlet smaller than the run to obtain the desired flow and pressure through the system. UPVC Pressure Fittings: SCH 40 & 80 SCH Size Available: 1/2" x 3/4" to 12" x 6" For Cold Water Use Only.
