350 liters, providing a consistent supply for high-demand households.Tank Build: Features a high-grade stainless steel inner tank for excellent corrosion resistance, especially important in areas with poor water quality.Heat-Pipe Technology: Uses copper heat pipes that transfer heat rapidly to the water manifold; the tubes themselves contain no water, preventing scaling and ensuring the system works even if a tube breaks.Pressure Rating: Typically rated for 6 bar, making it compatible with modern shower mixers and booster pumps.Heat Retention: Insulated with high-density polyurethane foam to maintain hot water for up to 72 hours.