





4.6kW Heat Output with 83.3% Efficiency
The Henley Castlecove ST428 stove offers a 2.5–4.6kW heat output range, 83.3% efficiency and an A energy rating, combining practical room heating with effective fuel use.
Clean Burn Technology with Airwash
The Clean Burn system supplies additional heated air above the main fire to help combustion gases burn more completely. An Airwash system directs air across the inside of the glass, helping reduce soot build-up for a clearer view of the flames.
External Air Connection with Matt Black Finish
The Henley Castlecove 4.6kW stove's external air connection allows combustion air to be drawn directly from outside when appropriately installed. The classic matt black finish complements both contemporary and traditional living spaces.
Description
The Henley Castlecove 4.6kW Stove in Matt Black | ST428 combines understated styling with efficient heating. With a heat output range of 2.5–4.6kW, it offers a compact-output heating option, subject to the room’s size, insulation and heating requirements.
An 83.3% efficiency rating and A energy rating reflect its heating performance, while Clean Burn technology supports more complete combustion. The integrated Airwash system helps keep the viewing glass clearer during operation, allowing you to enjoy the appearance of the fire.
The Castlecove also features primary and secondary air intakes, a 127mm flue connection and an external air facility. Its suitability for an airtight home or a property with mechanical ventilation should be assessed as part of the installation.
FAQ
What is the heat output of the Henley Castlecove ST428 stove?
The Henley Castlecove ST428 has a heat output range of 2.5–4.6kW, with a listed maximum output of 4.6kW. A stove installer can assess whether this output suits your room’s size, insulation and heating requirements.
How efficient is the Henley Castlecove 4.6kW stove?
The Henley Castlecove 4.6kW stove has a listed efficiency of 83.3% and an A energy rating. Actual heating performance depends on the approved fuel, correct installation, maintenance and operation.
Is the Henley Castlecove ST428 a wood-burning or multi-fuel stove?
The supplied product title describes the Castlecove ST428 as multi-fuel, but its technical specifications list wood only. Confirm the approved fuels in the manufacturer’s manual for the ST428 before burning coal, smokeless fuel or other fuels.
How does the Castlecove’s Clean Burn system work?
The Clean Burn system introduces additional heated air above the main combustion area to help combustion gases burn more completely. This supports more efficient combustion during operation.
Does the Henley Castlecove have an Airwash system?
Yes. The Henley Castlecove ST428 includes Airwash technology, which directs air across the inside of the viewing glass to help reduce soot deposits. Regular glass cleaning may still be needed.
Can the Castlecove ST428 use an external air supply?
Yes. The Castlecove ST428 has an external air facility, allowing combustion air to be drawn from outside when appropriately connected. An installer should assess its suitability for airtight homes or properties with mechanical ventilation.
What flue size does the Henley Castlecove ST428 require?
The stove has a listed 127mm flue connection. Your installer should confirm the complete flue specification against the manufacturer’s installation instructions and the requirements for your property.
What colour is the Henley Castlecove ST428?
This Henley Castlecove ST428 stove comes in matt black, offering an understated finish that complements traditional and contemporary interiors.
Technical Data
| Feature | Specification |
|---|---|
| Brand | Henley |
| Model | Castlecove |
| Product Code | ST428 |
| Finish | Matt Black |
| Fuel Listed | Wood |
| Maximum Heat Output | 4.6kW |
| Heat Output Range | 2.5–4.6kW |
| Efficiency | 83.3% |
| Energy Rating | A |
| Flue Size | 127mm |
| Primary Air Intake | Yes |
| Secondary Air Intake | Yes |
| Clean Burn System | Yes |
| Airwash System | Yes |
| External Air Connection | Yes |