Electric water heater with high thermal insulation
Résumé
The invention concerns an electric water heater comprising a tank (1) and a water heating device (2) located inside the tank, which is disposed inside an outer envelope (5), a thermal insulating material being placed between the tank and the envelope. The invention is characterized in that the outer envelope (5) has a generally square section and the thermal insulating material consists of vacuum insulating panels (6, 7) disposed along the flat walls of the outer envelope (5), an insulating foam material (10) being placed in the spaces between the tank (1), the vacuum insulating panels and the envelope (5).