Taco’s ECM wet rotor Viridian line includes the VR3452 high-efficiency, wet rotor variable-speed circulator for chilled and hot water applications. It offers up to 34’ of shutoff head and a 52-gpm flow. All settings are accomplished with the user-friendly interface. The circulator offers auto mode (default), as well as proportional pressure control, constant pressure control, constant speed and night setback turndown. The LED displays watts, flow and RPM. The circulator is available in 115 or 230 volts, has standard flanges and an optional communication module.