Taco Viridian Infinitely Variable ECM High Efficiency Circulator, Less Flanges - Universal (120V)

The Viridian VR1816 circulator is an infinitely variable speed, high-efficiency wet rotor circulator with an ECM permanent magnet motor. Operating modes include infinitely variable fixed speed and self-adjusting constant pressure or proportional pressure variable speed. Specifications: Connection type: Flanged, Universal Flange Code: U High-efficiency ECM motor uses up to 85% less electricity Infinitely variable speed settings to fine tune flow for any system Six pressure presets to fit the job Sure Start automatic unblocking and air purging mode Features 18ft. Shut-off head, 16 gpm max flow ECM High-efficiency motor Easy to use dial to set operating speed or pressure control 3 operating modes: Fixed speed - infinitely adjustable min/max settings Constant pressure - variable speed - 3 constant pressure differential curves (5, 10, or 15 feet of head) Proportional pressure - variable speed - 3 variable pressure differential curves (High, Med, or Low) Multi-color LED display showing operating mode and error c...