Grundfos TP, TPE pumps are single-stage, close-coupled, in-line, centrifugal pumps equipped with a mechanical seal and intended for applications such as heating/cooling/heating networks/hot water recirculation. The pumps are equipped with fixed speed (TP/TPD) or variable speed (TPE/TPED/TPE2/TPE2 D/TPE3/TPE3 D) motors.