ISOMAC TEA DUE HEAT EXCHANGE BOILERIsomac does not only have one flagship but several. Tea is definitely one of them. You can use Tea to steam milk and make espresso at the same time. There is always plenty of steam in the spout, at the same time as the machine is ready to brew the perfect espresso, at the right temperature. With the help of the manometer you can follow the pressure of the boiler close up, at the same time as you keep an eye in the steam spout. On request available