The fill and flush pump cart is portable, pre-assembled and leak-tested for a safe, quick and clean way to fill and flush solar, geothermal and hydronic heating systems. The fill and flush cart was designed for easy manuevering, with 10 in tires and back arm bars. This cart will manuever any stair or landscape and ease the process loading into a van or truck. The cart features a 1/2 HP (120 VAC) pump, providing maximum pump pressure to 55 psi, providing the power needed to purge all of the air from a hydronic system.