Rinnai 1600e External Low-NOx 58.4kW Condensing Natural Gas Water Heater Get outstanding hot water performance and future-ready efficiency with the Rinnai 1600e External Low-NOx 58.4kW Condensing Natural Gas Water Heater. With TRX hydrogen blend-ready technology, this high-performance system gives you instant, continuous hot water while reducing emissions and maximising energy efficiency. Built with a stainless-steel primary heat exchanger and backed by a 12-year warranty*, the Rinnai N Series is unbeatable in demanding commercial environments. Perfect for bars, restaurants, hotels, gyms, healthcare, process, and food production facilities, the Rinnai 1600e has ±1°C temperature control, ultra-low NOx emissions and flexible