Buffer and hot water storage tank x-buffer ® combi pro Buffer and hot water storage tank including control for x-change ® dynamic pro The x-buffer combi pro combines heat pump control, buffer storage, [...] Buffer and hot water storage tank x-buffer ® combi pro Buffer and hot water storage tank including control for x-change ® dynamic pro The x-buffer combi pro combines heat pump control, buffer storage, and hot water storage in one. All electrical components are prewired to the integrated control at the factory, thereby keeping the level of cabling effort required [...]