Millionsun split solar forced circulation heating system flexibly integrates flat plate collectors, water tanks and control system, forming a heating system with closed loop forced split circulation, which is applicable to both house hold and large scale hot water projects, such as hospitals, hotels and schools.This system operation Automatic control and operation,safe and convenient. Features: Stylish slim line design. Forced circulation operation minimises maintenance. Electric booster models available. Inner tank with vitreous enamel or SUS304. Durable coating for protection inside tank.