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Dual Performance: Delivers 199,000 BTU/h for hot water and up to 125,000 BTU/h for space heating, with a high flow rate of 5.2 GPM at a 70°F rise.Maximum Efficiency: Boasts a 95% AFUE rating and a 7:1 turndown ratio, significantly reducing energy waste and utility costs.Advanced Control: Features a built-in touchscreen controller for easy setup, diagnostics, and outdoor reset functionality to optimize performance based on weather.Reliable Build: Equipped with a durable 316L stainless steel heat exchanger and a copper nickel (CuNi) DHW heat exchanger for superior corrosion resistance.