The Grundfos UPSe 15-58 is a high-efficiency circulator fitted with an electronically commutated motor (ECM). It is designed to circulate liquids in heating and cooling systems and offers one of the highest Energy Ratings in the market (193) based on the Hydraulic Institute Energy Rating. The pump features a wide range of controls, including constant pressure, proportional pressure, and constant curve, each with three settings, making it suitable for almost any hydronic application. The UPSe meets the energy conservation standards for circulator pumps the Department of Energy established, which will take effect in May 2028.