GAS FED WATER-HEATER

摘要

The present invention relates to a gas fed water-heater comprising a double wall container (1) inside which a burner (2) and a tank (3) of the water to be heated are arranged. At least in the portion (5~) adjacent to said burner (2) of the interspace (5) between the two walls of said container (1) is placed a thermoinsulating system comprising an inner layer (6) of glass wool or rock wool and an outer layer (7) formed of at least a vacuum panel, which comprises an envelope which encloses inert material powder with an average size of the particles lower than 100 nanometers.