Taco Comfort Solutions is expanding its light commercial ECM pump offering with the 1911ecm and 1915ecm high-efficiency pumps. The 1911ecm is a 425-watt, self-sensing, close-coupled, mechanically sealed pump that features a high-efficiency volute, ECM motor, and an integrated frequency drive. It is easy to install and program, and provides a maximum of 50 feet of head and 105 GPM. The 1915ecm offers all the user-friendly features of the 1911ecm, but in a more robust package. At 650 watts, the 1915ecm provides a maximum of 65 feet of head and 120 GPM.