Wall-mounted condensing boiler with instantaneous domestic hot water production.
• Built-in for outdoor use
• Compact, only 260 mm deep (including the built-in frame)
• Remote control as standard capable of managing all boiler functions
• High production of domestic hot water, more power during domestic hot water operation
• Multifunction relay for connection to systems with zone valves or external pump management or remote alarm signalling
• Modulation ratio 1:9
• Certified operation with hydrogen mixtures up to 20%
Technical Features
Model
- Ischia IN KC 24 S (METHANE)
- Product Code: KIII02KC24
- Does not include the Mounting Frame.
Energy Efficiency
- Heating energy efficiency class A
- XL load profile
- Nominal thermal power (Pnominal): 23 kW
- Nominal heat input (Qn): 23.7 kW
- Seasonal space heating energy efficiency (ηs): 92 %
- Water heating energy efficiency (ηwh): 84%
- Nominal thermal power (80-60°C) (Pn): 22.8 kW
Performance
- Thermal power (50-30°C): 24.9 kW
- Reduced heat output (Qr): 3.0 kW
- Useful efficiency at nominal flow rate (80-60°C): 96.3%
- Useful efficiency at nominal flow rate (50-30°C): 105.1%
- Useful efficiency at 30% (30°C return): 107.2 %
Characteristics
- Heating expansion vessel capacity: 9 l
- Nominal heat output in domestic hot water: 27.3 kW
- Specific sanitary flow rate ΔT=30K: 13.4 l/min
- NOx emission class: 6
- Electrical protection rating: IPX4D IP
- Energy class: A
Dimensions
- Dimensions (WxHxD): 500x1130x260 mm (Measurements with box)
- Gross Weight: 32.0 Kg
General Features

The Fondital Ischia IN KC is a latest-generation condensing boiler, designed to offer high performance and a compact design, perfect for those seeking an efficient and space-saving solution. With a depth of just 260 mm, including the casing, this boiler easily fits into small spaces without compromising its performance.
PLUS
- Compact, only 260 mm deep (including the built-in frame)
- Remote control as standard capable of managing all boiler functions
- High production of domestic hot water, more power during domestic hot water operation
- Multifunction relay for connection to systems with zone valves or external pump management or remote alarm signalling
- Modulation ratio 1:9
- Certified for operation with hydrogen blends up to 20%
This boiler not only offers excellent hot water production, but is also highly energy efficient. Its 1:9 modulation ratio optimizes consumption, reducing waste and improving operating efficiency.
TECHNICAL CHARACTERISTICS
- Thermoregulation with external probe (optional)
- Heat exchanger in thermopolymers and stainless steel
- 9-liter heating expansion vessel
- Programmable parameters to adapt the boiler to the installation and alarm history
- Modulating circulator with built-in deaerator
- Automatic bypass
- NOx emissions class 6