The power of being complete The floor-standing boiler is a byword for uncompromisingly powerful performance in heating technology. A floor-standing boiler is usually installed in combination with a domestic hot water storage. And in modern heating technology, this solution stands for comfort: Running at reduced power to save resources during summer and at full steam in the cold months. The architectural design embodies solidity. Its straightforward design underlines the powerful character of the Vaillant boiler family. The consistency of the conception aesthetically as well as technically also allows numerous combinations of boilers and storages to create systems exactly answering customers requirements.