The fluid heater comprises a combustion chamber, a heat exchanger, a circulation pump, and a control panel. The combustion chamber houses the burner, which is responsible for burning the fuel oil and generating heat. The heat exchanger is a coil of tubes through which the thermic fluid flows, absorbing heat from the combustion gases and transferring it to the fluid.Oil fired fluid heateris used for pressing the paper. The heater helps in maintaining a constant temperature for the press, which ensures better quality paper production.