The Rinnai Infinity KCM24i 45kW is a next-generation internal condensing natural gas water heater delivering continuous, temperature-accurate hot water on demand – with market-leading 93% gross efficiency. Designed for residential and light-commercial applications, this compact, space-saving appliance ensures instant, efficient, and uninterrupted hot water supply whenever a tap is opened.
Equipped with advanced micro-processor control, the KCM24i delivers precise temperature control to within ±1°C, helping to prevent scalding, reduce energy waste, and support Legionella control compliance. Its fan-assisted room-sealed flue system and direct electronic ignition enhance safety and reliability, while remote connectivity options provide integration with BMS systems for smarter water management.
✅ Continuous Flow Hot Water – Never run out of hot water when water, gas, and power are connected
✅ 93% Gross / 103% Net Efficiency – Lower energy use and reduced operational costs
✅ Microprocessor-Controlled – Maintains set water temperature with ±1°C accuracy
✅ Legionella Compliance Support – Ensures safer hot water delivery
✅ Space-Saving Design – Compact unit: 670mm (H) x 470mm (W) x 257mm (D)
✅ Lightweight Build – Just 26kg, no heavy lifting gear required
✅ High Output – Delivers up to 15.4 L/min at 33°C rise
✅ Flexible Flue Options – Up to 13m flue run supported (with deductions for bends)
✅ All-Electric Ignition – No pilot light = enhanced energy savings
✅ Remote Monitoring Ready – Integrates with BMS/IP systems for diagnostics, settings & alerts
✅ Visual Front Panel Display – For live status updates, temperature control, and error codes
The Rinnai Infinity KCM24i 45kW Internal Condensing Gas Water Heater is ideal for a wide range of residential and light-commercial applications requiring high-performance, energy-efficient hot water. Perfect for large homes, apartments, and new builds, it also meets the demands of hotels, care homes, student housing, gyms, salons, restaurants, healthcare facilities, and office buildings. With continuous flow, precise temperature control, and compact design, it’s the smart choice for on-demand hot water in any setting.
Combining superior gas efficiency, intelligent temperature control, and smart connectivity, the Rinnai KCM24i offers a reliable and cost-effective solution for continuous hot water. It reduces carbon emissions, lowers energy bills, and fits seamlessly into modern, space-conscious environments.
Order today for a smarter, safer and more sustainable hot water system – with the Rinnai Infinity KCM24i 45kW Condensing Gas Water Heater.
Oversized item (delivered on a pallet)
| Brand | Rinnai |
|---|---|
| Product Model | Rinnai Infinity KCM24i |
| Type | Internal Condensing Continuous Flow Gas Water Heater |
| Gas Type | Natural Gas |
| Gas consumption | 45kW max |
| Hot Water Delivery Rate | 15.4 litres/min (ΔT = 33°C) |
| Temperature Range | 50°C – 60°C (±1°C from setpoint) |
| Efficiency (Gross/Net) | 93% Gross / 103% Net |
| Ignition Type | Direct electronic (no pilot flame) |
| Exhaust System | 28kg |
| Maximum Flue Length | 13 metres (deduct 2m per 90° bend, 1m per 45° bend) |
| Dimensions (H x W x D) | 670mm x 470mm x 257mm |
| Weight | 26kg |
| Min Operating Water Flow | 1.5 ltr/min |
| NOx | < 56 mg/kWh |
| Electrical Supply | 230 AC 50Hz 1ph |
| Indoor sound power level (LWA) | 55.6 dB |
| Gas Consumption | 4.3³/hr |
| Control Interface | Digital display with integrated diagnostics and error code feedback |
| Remote Connectivity | BMS/IP compatibility for remote monitoring and control |
| Installation Type | Indoor wall-mounted |
| Safety Features | Overheat cut-off, self-modulation, flame failure detection, temperature control |
| Suitable Applications | The Rinnai KCM24i is ideal for residential, hospitality, healthcare, and light-commercial applications requiring continuous, energy-efficient hot water with precise temperature control. |
✅ Continuous Flow Hot Water – Never run out of hot water when water, gas, and power are connected
✅ 93% Gross / 103% Net Efficiency – Lower energy use and reduced operational costs
✅ Microprocessor-Controlled – Maintains set water temperature with ±1°C accuracy
✅ Legionella Compliance Support – Ensures safer hot water delivery
✅ Space-Saving Design – Compact unit: 670mm (H) x 470mm (W) x 257mm (D)
✅ Lightweight Build – Just 26kg, no heavy lifting gear required
✅ High Output – Delivers up to 15.4 L/min at 33°C rise
✅ Flexible Flue Options – Up to 13m flue run supported (with deductions for bends)
✅ All-Electric Ignition – No pilot light = enhanced energy savings
✅ Remote Monitoring Ready – Integrates with BMS/IP systems for diagnostics, settings & alerts
✅ Visual Front Panel Display – For live status updates, temperature control, and error codes
