The RANGER heating system is designed to heat blood, blood products and liquids. The heating system for blood and fluids RANGER is a device composed of a heating unit and a disposable equipment for the administration of blood and fluids intravenously (IV), the heating system RANGER is designed to heat blood, blood products and liquids and achieves a speed of MVA flow rate at 500ml per minute. Two disposable equipment for blood and fluids can be obtained: one for normal flow applications and one for high flow applications. These disposable equipment, designed for use in reusable dewaxing units, are sterilized, do not contain latex and are for single use only.