Stiebel Eltron HOT 2.6 N 1600 Premium + 3-in-1 Tap Water Boilers
Stiebel Eltron 187874 Model SBB 400 Plus Domestic Dual Heat Exchanger Hot Water Tank for Solar, Geothermal or Hydronic Applications; 108.6 Gallon Storage Capacity, 150 psi/10 bar Working Pressure - Amazon.com