The pressure-resistant Svans hot water boiler SV7 and SV10 12 volts are pressure-resistant up to 6 bar, use for all water systems, volume 7 or 10 liters. The devices have an integrated expansion tank, the latest safety standards, in the event of damage to the installation, the devices always remain filled with water. In addition, the devices are equipped with a resettable thermal fuse. Installation: The devices can be installed vertically on a wall or standing on the floor. (Always with the water connections pointing upwards.)