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This stove does NOT have a catalyser - Woodburning Only.
A powerful traditional multi-fuel stove with advanced combustion technology and elegant Harmony styling.
The Nestor Martin Harmony 43, also known as the H43, is a beautifully designed Ecodesign multi-fuel stove that combines classic style with modern combustion performance. With its traditional appearance, generous proportions, and advanced heating technology, it makes an impressive centrepiece for larger rooms and open-plan spaces.
Designed to burn both seasoned wood and approved smokeless fuel, the Harmony 43 offers flexibility, strong heat output, and efficient performance. With a nominal heat output of 10.5kW, it is well suited to larger living areas, providing dependable warmth even on colder days.
Traditional Design with Modern Combustion Technology
The Harmony range is known for combining timeless stove styling with advanced combustion systems. The Harmony 43 continues this tradition, offering a graceful, classic design with the efficiency and control expected from a modern stove.
Its substantial build and wide firebox provide a generous flame view, while Nestor Martin’s combustion technology helps create attractive, natural flame patterns with efficient fuel use.
Powerful Multi-Fuel Heating
The Harmony 43 is suitable for burning both seasoned wood and approved smokeless coal, giving you the flexibility to choose the fuel that best suits your home and heating requirements.
With an output of 10.5kW and an efficiency rating of 80%, the Harmony 43 is capable of heating larger rooms while making effective use of fuel.
Advanced Control and Cleaner Burning
Featuring Plexus Air Control and ZR Combustion Technology, the Harmony 43 is designed to burn efficiently with minimal supervision. These systems help manage airflow and combustion, supporting cleaner burning and improved heat performance.
The built-in airwash system helps keep the glass clearer for longer, allowing you to enjoy the flame picture with reduced build-up on the viewing window.
Installation Flexibility
The Harmony 43 offers both top and rear flue options, giving flexibility when planning your installation. A rear heat shield is also included, helping support practical installation clearances.
Optional closed combustion is available with an adapter, making the stove suitable for installations where an external air supply may be required.
Handle Options
The Harmony 43 is supplied as standard with a brass handle. Optional nickel handle available, allowing you to tailor the stove’s finish to your room and fireplace style.
Key Features
- Ecodesign compliant multi-fuel stove
- Suitable for seasoned wood and approved smokeless fuel
- 10.5kW nominal heat output
- 80% efficiency
- A+ energy rating
- Traditional Harmony styling
- Plexus Air Control
- ZR Combustion Technology
- Airwash system to help keep the glass clear
- Rear heat shield
- Convection system for improved heat circulation
- Top or rear flue outlet options
- Optional closed combustion with adapter
- Maximum log length of 500mm
- Supplied with brass handle as standard
- Optional nickel and black handles available separately
- Manufactured to EN 13240 standard
- Recommended heating area up to 420m³
Technical Specifications
Specification Detail Height 770mm Width 750mm Depth 450mm Weight 188kg Flue Outlet Size 150mm Nominal Output 10.5kW Efficiency 80% Energy Rating A+ CO @ 13% 0.06% Maximum Log Length 500mm Distance to Combustible Materials - Rear 250mm Distance to Combustible Materials - Side 300mm Distance to Centre of Top Flue Outlet from Back of Stove 152mm Height to Centre of Rear Outlet 630mm Optional Closed Combustion Yes, with adapter Smoke Control No Standard EN 13240 Recommended Heating Area Up to 420m³
The Nestor Martin Harmony 43 H43 Ecodesign Multi-Fuel Stove is a powerful and elegant choice for larger spaces, offering traditional design, efficient Ecodesign performance, and the flexibility to burn either seasoned wood or approved smokeless fuel.
This stove does NOT have a catalyser - Woodburning Only.
A powerful traditional multi-fuel stove with advanced combustion technology and elegant Harmony styling.
The Nestor Martin Harmony 43, also known as the H43, is a beautifully designed Ecodesign multi-fuel stove that combines classic style with modern combustion performance. With its traditional appearance, generous proportions, and advanced heating technology, it makes an impressive centrepiece for larger rooms and open-plan spaces.
Designed to burn both seasoned wood and approved smokeless fuel, the Harmony 43 offers flexibility, strong heat output, and efficient performance. With a nominal heat output of 10.5kW, it is well suited to larger living areas, providing dependable warmth even on colder days.
Traditional Design with Modern Combustion Technology
The Harmony range is known for combining timeless stove styling with advanced combustion systems. The Harmony 43 continues this tradition, offering a graceful, classic design with the efficiency and control expected from a modern stove.
Its substantial build and wide firebox provide a generous flame view, while Nestor Martin’s combustion technology helps create attractive, natural flame patterns with efficient fuel use.
Powerful Multi-Fuel Heating
The Harmony 43 is suitable for burning both seasoned wood and approved smokeless coal, giving you the flexibility to choose the fuel that best suits your home and heating requirements.
With an output of 10.5kW and an efficiency rating of 80%, the Harmony 43 is capable of heating larger rooms while making effective use of fuel.
Advanced Control and Cleaner Burning
Featuring Plexus Air Control and ZR Combustion Technology, the Harmony 43 is designed to burn efficiently with minimal supervision. These systems help manage airflow and combustion, supporting cleaner burning and improved heat performance.
The built-in airwash system helps keep the glass clearer for longer, allowing you to enjoy the flame picture with reduced build-up on the viewing window.
Installation Flexibility
The Harmony 43 offers both top and rear flue options, giving flexibility when planning your installation. A rear heat shield is also included, helping support practical installation clearances.
Optional closed combustion is available with an adapter, making the stove suitable for installations where an external air supply may be required.
Handle Options
The Harmony 43 is supplied as standard with a brass handle. Optional nickel handle available, allowing you to tailor the stove’s finish to your room and fireplace style.
Key Features
- Ecodesign compliant multi-fuel stove
- Suitable for seasoned wood and approved smokeless fuel
- 10.5kW nominal heat output
- 80% efficiency
- A+ energy rating
- Traditional Harmony styling
- Plexus Air Control
- ZR Combustion Technology
- Airwash system to help keep the glass clear
- Rear heat shield
- Convection system for improved heat circulation
- Top or rear flue outlet options
- Optional closed combustion with adapter
- Maximum log length of 500mm
- Supplied with brass handle as standard
- Optional nickel and black handles available separately
- Manufactured to EN 13240 standard
- Recommended heating area up to 420m³
Technical Specifications
| Specification | Detail |
|---|---|
| Height | 770mm |
| Width | 750mm |
| Depth | 450mm |
| Weight | 188kg |
| Flue Outlet Size | 150mm |
| Nominal Output | 10.5kW |
| Efficiency | 80% |
| Energy Rating | A+ |
| CO @ 13% | 0.06% |
| Maximum Log Length | 500mm |
| Distance to Combustible Materials - Rear | 250mm |
| Distance to Combustible Materials - Side | 300mm |
| Distance to Centre of Top Flue Outlet from Back of Stove | 152mm |
| Height to Centre of Rear Outlet | 630mm |
| Optional Closed Combustion | Yes, with adapter |
| Smoke Control | No |
| Standard | EN 13240 |
| Recommended Heating Area | Up to 420m³ |
The Nestor Martin Harmony 43 H43 Ecodesign Multi-Fuel Stove is a powerful and elegant choice for larger spaces, offering traditional design, efficient Ecodesign performance, and the flexibility to burn either seasoned wood or approved smokeless fuel.
