Step up from 3-speeds to infinitely variable speed The 00e series — 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. Variable speed ECM technology has come of age and with it, savings of up to 85% in electrical costs as compared to conventional circulators. The 00e VR1816 ECM high-efficiency wet rotor circulator features infinitely variable speed and 6 pressure presets to fit your job. It's simple to install and intuitive to set up. Get into high-efficiency ECM savings with the turn of a dial - it's efficiency uncomplicated! Fixed Speed Mode Fine tune the circulator flow rate to precisely match design load conditions. It is infinitely variable between min/max settings. Ideal for zoning with circulators. Fixed Speed Mode Fine tune the circulator flow rate to precisely match design load conditions. It is infinitely variable between min/max settings. Ideal for zoning with circulators. Constant Pressure Mode The circulator maintains a constant pressure differential (?p-c) in the system as the heating load increases or decreases. The best option for zoning with zone valves. Specification: Maximum Shut-off Head: 18 feet Maximum Flow: 16 gpm Maximum Operating Pressure: 125 psi (8.6 bar) Maximum Water Temp: 230°F (110°C) Minimum Water Temp: 36°F (2°C) Electrical specifications: Voltage: 120V, 60 Hz Single phase Operating Power: 4W - 44W Max. AMP Rating: 0.54, RPM: 1590-4830 Equipped with a cast iron casing and should be used for closed loop systems only Not suitable for chilled water or open loop potable water systems Taco circulator pumps are for indoor use only Acceptable for use with water or maximum of 50% water/glycol solutions. The VR1816 is not suitable for chilled water or open loop potable water systems
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