WILO USA LLC, a subsidiary of WILO SE, is pleased to announce the new EC Motor-Driven, High-Efficiency, Wet-Rotor Circulator, Wilo-Star E 21.
The new best-in-class circulator pump for the residential and commercial HVAC market is designed to improve performance and save energy consumption at the same time.
“The Wilo-Star E 21 EC Wet-Rotor Circulator is a high-efficiency, EC motor-driven technology-designed unit with differential temperature control that adjusts to the system demand to maintain the best heat transfer possible. This four-speed circulator also has three HD modes of operation for proportional control as well as an Auto mode where the pump will automatically adjust to the system resistance to reach its best efficiency point with an LED display and adjustment buttons for easy setup,” says Laurent Davis, Vice President of Product Management & Marketing at Wilo USA.
The fluid temperature range for the new Wilo-Star E 21 is 36°F to 230°F, with a maximum operating pressure of 145 psi (10 bar). Designed in a cast iron HT 200 pump body, it incorporates an advanced composite PA66+30%GF impeller and ceramic shaft. An optional check valve is also provided for parallel pumping applications.
Source: Wilo
