NEW BI-LAYER BOILER: TRADITION MEETS INNOVATION - The new Moka Induction with a bi-layer boiler is synonymous with high performance even on induction hob. The boiler’s external layer of steel guarantees operation even on induction hobs, while the internal layer of aluminium ensures homogenous heat distribution. INCREASED THICKNESS. The top part of the Moka (its lid and collection chamber) is made of aluminium, the same material which the classic Moka is made of, combined with the bi-layer boiler ensures a unique and pleasant coffee just like the coffee prepared with the traditional Moka.