• 24 kW heating output, suitable for most domestic requirements.
• Provides domestic hot water at up to 9.8 litres per minute raised 35°C.
• Modulating output to maximise economy.
• Independent control of domestic hot water and heating temperature.
• Operating mode selector switch with reset.
• Modern, clean design.
• Three LED status indicators for simple control and diagnostic functions.
• 100mm concentric flue system (max 5m total length horizontal).
• 80mm twin flueing system (max 15m total length vertical).
• Optional integral controls.
• Optional LPG conversion kit.

• 29.4 kW heating output, suitable for larger properties.
• Provides domestic hot water at up to 12.0 litres per minute raised 35°C.
• Modulating output to maximise economy.
• Operating mode selector switch with reset.
• Independent control of domestic hot water and heating temperature.
• Modern, clean design with drop down door concealing the controls.
• Ten LED status indicators to monitor temperature, operating and fault conditions.
• Pre-plumbing wall plate.
• 100mm concentric flue system (max 4m total length horizontal).
• 80mm twin flueing system (max 12m total length vertical).
• Optional integral controls.
• Optional LPG conversion kit.

• 29.4 kW heating output, suitable for larger properties.
• Provides domestic hot water at up to 12.0 litres per minute raised 35°C.
• Modulating output to maximise economy.
• Operating mode selector switch with reset.
• Independent control of domestic hot water and heating temperature.
• Modern, clean design with drop down door concealing the controls.
• Ten LED status indicators to monitor temperature, operating and fault conditions.
• Pre-plumbing wall plate.
• 100mm concentric flue system (max 4m total length horizontal).
• 80mm twin flueing system (max 12m total length vertical).
• Optional integral controls.
• Optional LPG conversion kit.

• Alpha Cyclone
• Seasonality Valve
• Designed-in valves and copper tails factory fitted
• Designed-in split tails to heating flow and return factory fitted
• Designed-in pipe clips factory fitted for piping from above
• Designed-in filling loop
• Easy mains connection
• Swan neck connectors
• 2 clock options - mechanical or digital
• Easy access clock compartment
• Simple clock wiring
• No compartment ventilation needed
• Thermistors and plate heat exchanger
• Safe electrics
• Strainer on cold mains inlet
• Just one PCB
• Only 720mm high, fits almost anywhere

The Alpha CB24X - a 24kW combination boiler providing instant hot water at 9.6 litres per minute at 35°C rise. Delivers the same high pedigree performance as the Alpha CB24, but it's different. The frills have been removed leaving a functional, efficient appliance that's great value for money.

Different to the Alpha CB24.

The Alpha CB24X does NOT include :
• Front flap covering controls
• Designed-in filling loop
• Seasonality valve
• Cyclone
• Automatic by-pass
• 6 year DHW heat exchanger guarantee

Different to other budget priced combis

The Alpha CB24X is small outside, but with much more inside. Three new features have been designed-in to set it apart from other budget combis, plus you get all the famous build quality and reliability that Alpha is renowned for.

Alpha CB24X is in a class of its own when it comes to reliability, speed and ease of installation.

• Alpha Cyclone
• Seasonality Valve
• Designed-in valves and copper tails factory fitted
• Designed-in split tails to heating flow and return factory fitted
• Designed-in pipe clips factory fitted for piping from above
• Designed-in filling loop
• Easy mains connection
• Swan neck connectors
• 2 clock options - mechanical or digital
• Easy access clock compartment
• Simple clock wiring
• No compartment ventilation needed
• Thermistors and plate heat exchanger
• Safe electrics
• Strainer on cold mains inlet
• Just one PCB
• Only 720mm high, fits almost anywhere

The Alpha CB28X - a 28kW combination boiler providing instant hot water at 11.4 litres per minute at 35°C rise. Delivers the same high pedigree performance as the Alpha CB28, but it's different. The frills have been removed leaving a functional, efficient appliance that's great value for money.

Different to the Alpha CB28

The Alpha CB28X does NOT include :
• Front flap covering controls
• Designed-in filling loop
• Seasonality valve
• Cyclone
• Automatic by-pass
• 6 year DHW heat exchanger guarantee

Different to other budget priced combis

The Alpha CB28X is small outside, but with much more inside. Three new features have been designed-in to set it apart from other budget combis, plus you get all the famous build quality and reliability that Alpha is renowned for.

Alpha CB28X is in a class of its own when it comes to reliability, speed and ease of installation.

• DHW output up to 9.8 L/min raised 35°C.
• Suitable for modest DHW demand.
• Burner modulation up to 23.3kW.
• Self adjusts output according to demand.
• Horizontal, vertical and twin tube fanned flue.
• Approved for unventilated compartments.

• Fully modulating output to 31.0kW
• Self adjust to demand for greater economy.
• DHW flow rate up to 12.7 L/min raised 35°C.
• Pre-plumbing jig.
• Easy access to connect and flush pipework.
• Horizontal, vertical and twin tube flues.
• Suitable for installation in unventilated enclosures.
• Option to replace the cylinder in most airing cupboards.

• Integrated 54 litre DHW cylinder.
• Outstanding DHW performance - up to 16 L/min.
• Fully modulating output up to 28kW.
• DHW cylinder recharged in just 4 minutes.
• Comprehensive range of concentric and twin tube flues.
• Frost protection on cylinder and heating circuit.
• Cost and time saving boiler and system protection.
• 24hr pump spin.