Electronically controlled, switchable power levels 18/21/24 and 27 kW, dynamic flow rate control, TWIN TEMPERATURE Control System, temperature and pressure switch-off, simple operating concept, five temperature levels selectable (35, 38, 42, 48 and 55 °C), 1.5 litre switch-on water quantity, dimensions (H x W x D): 46.9 x 23.9 x 9.6 cm