In an apartment complex, the heat from a power plant can be transferred directly to the individual apartments, or the temperature and pressure can be adjusted to the needs of the complex through a substation. [wpv-noautop] Producten AquaHeat Stations AquaHeat Comfort Cimberio Ball Valves Diehl Energy meters Frese Balancing Valves Vexve Valves [/wpv-noautop]