BAXI 430 30kW Combi Boiler with Horizontal Flue

The BAXI 430 30kW Combi Boiler with Horizontal Flue is a complete high-performance heating package that combines a powerful 30kW natural gas combi boiler with a horizontal flue kit, making it an ideal choice for medium to larger homes. Designed for energy efficiency, reliability, and straightforward installation, this package delivers dependable central heating and instant mains-pressure hot water without the need for a separate hot water cylinder.

Part of the latest BAXI 400 Combi 2.1 range, the BAXI 430 features a compact cupboard-fit design, durable brass hydraulics, a stainless steel heat exchanger, and OpenTherm compatibility for improved efficiency and comfort. Its lightweight construction and installer-friendly layout make it an excellent option for both replacement boilers and new heating installations.

Key Features

• 30kW Natural Gas Combination (Combi) Boiler
• Includes Horizontal Flue Kit
• Fuel Type: Natural Gas
• Instant mains-pressure hot water
• No separate hot water cylinder required
• ErP A Rated efficiency
• High-efficiency condensing technology
• Stainless steel heat exchanger
• Robust brass hydraulic components
• Compact cupboard-fit design
• OpenTherm compatible
• External analogue pressure gauge
• Digital display with fault diagnostics
• NOx Class 6
• 5-Year manufacturer's warranty

Ideal for Medium to Larger Homes

The BAXI 430 30kW Combi Boiler is ideal for medium to larger homes with one or two bathrooms. It provides both central heating and hot water directly from the mains, eliminating the need for a separate hot water cylinder or cold water storage tank.

Its compact dimensions allow it to fit neatly inside a standard kitchen cupboard, making it perfect for homes where installation space is limited.

Powerful Heating & Instant Hot Water

Delivering a 30kW domestic hot water output and a 12.2 litres per minute hot water flow rate (Δ35°C), the BAXI 430 comfortably supplies hot water for showers, baths, and taps while maintaining efficient central heating performance.

Modern condensing technology helps maximise efficiency, reduce fuel consumption, and lower household energy bills without compromising comfort.

Compact Design & Easy Installation

Designed with installers in mind, the BAXI 430 combines lightweight construction with an accessible internal layout for faster installation and servicing.

Dimensions

• Height: 700mm
• Width: 395mm
• Depth: 285mm

The included horizontal flue kit provides a complete installation package, helping reduce installation time and ensuring compatibility straight out of the box.

Energy Efficient Performance

The BAXI 430 is ErP A Rated for both heating efficiency and hot water performance. Its advanced condensing technology and OpenTherm compatibility enable the boiler to modulate efficiently, reducing gas consumption while maintaining consistent indoor comfort.

Smart Heating Control Compatibility

Compatible with OpenTherm smart controls, the BAXI 430 allows more accurate temperature management and improved boiler modulation, helping homeowners maximise comfort while lowering energy costs.

Reliable Performance & Easy Maintenance

Built with a stainless steel heat exchanger, durable brass hydraulic block, and an installer-friendly design, the BAXI 430 is engineered for dependable long-term performance. The external pressure gauge makes monitoring and topping up system pressure quick and convenient.

Warranty & Peace of Mind

The BAXI 430 30kW Combi Boiler with Horizontal Flue is supplied with a 5-Year manufacturer's warranty, providing reassurance and reliable after-sales support when installed and registered in accordance with the manufacturer's requirements.

Why Choose the BAXI 430 30kW Combi Boiler with Horizontal Flue?

• Complete boiler and horizontal flue package
• Powerful 30kW combi boiler
• Natural Gas compatible
• 12.2 L/min domestic hot water flow rate
• Compact cupboard-fit dimensions
• Stainless steel heat exchanger
• Robust brass hydraulic components
• OpenTherm compatible
• Instant mains-pressure hot water
• 5-Year manufacturer's warranty