Rinnai 1300i Internal 47kW Low-NOx Condensing LPG Gas Water Heater Get on-demand hot water with the Rinnai 1300i Internal 47kW Low-NOx Condensing LPG Gas Water Heater — the compact, energy-efficient solution for commercial and industrial applications. Part of the next-generation Rinnai N Series, this internal wall-mounted model combines Low-NOx technology, stainless steel construction and intelligent modulation for maximum energy efficiency, reliability and future-proof performance. With a 13:1 turndown ratio, the 1600i delivers precise temperature control and reduced emissions, up to 35 litres per minute of hot water at ±1°C accuracy. Install as a single unit or cascade for large systems, with zero storage heat l