Rinnai Infinity KCM24i 45kW Internal NG Condensing Water Heater (REU-2428FFC-E) The Rinnai Infinity KCM24i 45kW is a next-generation internal condensing natural gas water heater, delivering continuous hot water on demand with market-leading 93% gross (103% net) efficiency.

For residential and light-commercial applications, the compact KCM24i provides instant hot water every time a tap is turned on. With advanced microprocessor control, the KCM24i maintains outlet water temperature to within ±1°C, reducing scald risk, supporting Legionella compliance and saving energy. The fan-assisted, room-sealed flue system and direct electronic ignition ensure safe and efficient operation, while BMS/IP integration allows for remote monitoring, diagnostics and control for smarter water management. Features & Benefits