Varia 1V is versatile. Each and every version will convince you with the balanced door format. You have the choice of a hinged door with a stop on the left or right or an elevating pane, which you can even open with an electric pane opener (S-ESAM) if desired. The water-backed H2O version generates warm water for your whole home in a sustainable and CO2-neutral way. Experience the joy of efficient technology.