The HEC-2 is the next generation Bumble Bee high-efficiency variable speed circulator. The wet-rotor circulator uses the latest in ECM, permanent magnet motor technology. With the ability to determine the exact flow required to match ever-changing building heat loads, the Bumble Bee can reduce boiler short cycling, increase total system efficiency, maximize energy savings, and help improve consumer comfort. An integral flow check (IFC) and two plug-in remote temperature sensors are included in the carton. The circulator can accept 115-230V input power and can be wired to any Taco Switching Relay or Zone Valve Control for on-off operation.
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