The AM55-FVL Variable speed circulator is an energy-efficient pump that uses only 38 watts. It offers three fixed speeds and four variable speeds with a single control button. A night setback responds to the lower boiler temperature. Equipped with a 10 ft. line cord with watertight connector and 4-bolt flange pattern, the product replaces any manufacturers three speed or variable speed pumps with one SKU. It is built in the U.S. AquaMotion. aquamotionhvac.com