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WIKING Miro 4 with lower door


Key Points


The 4.9kW WIKING Miro 4 Lower Door, featuring a lower compartment with door, is Defra approved and has also passed the rigorous German DIBt test to ensure the safest possible room seal when combined with direct external air supply. This makes the WIKING Miro 4 Lower Door a great looking choice for an average to medium sized living space in contemporary designed low energy urban homes. Like all Wiking stoves the WIKING Miro 4 Lower Door, with its clean minimalist lines and big window airwashed on three sides, is extremely well built and shows a magnificent attention to detail that certainly belies its modest cost.

This attention to detail is in evidence even inside the WIKING Miro 4 Lower Door Stove’s fire chamber which features a highly compressed, precisely engineered and shaped six-part set of vermiculite insulating panels. These tightly fitting panels ensure that there are none of the cold corners or panel gaps that you see on other stoves and which leak heat to reduce internal temperatures so that it affects overall efficiency and increases emissions.

The WIKING Miro 4 Lower Door Stove’s outstanding clean burning credentials are further aided by the Wiking Automatic which comes as standard. This purely mechanical device boosts the supply of primary combustion air when lighting and refuelling and at the end of the burn cycle to maintain high heat so that even more particulates are burned off. Pre-heated tertiary air supplies additional combustion air at the top of the fire chamber to burn off more of the remaining particulates just before they leave the stove.

All of this ensures maximum heat from the wood fuel with the minimum emissions being produced and all with very little operator input. There’s just one simple slider control to precisely manage the Miro 4’s impressive 3.0kW to 8.0kW heat output range and flame pattern. Superior steel bodywork and the perfectly balanced premium cast iron door ensure a secure room seal with the minimum of effort (all thanks to Wiking’s patented closure mechanism) and there’s also a longer lasting cast iron fire grate with separate ash pan for easier cleaning. It’s all very hard to beat for the money.

NB Also check out the MIro 4 with open fronted log store door and the Miro 3 models with side windows.


Brand: Wiking
Model WIKING Miro 4 Lower Door
Nominal Heat Output: nominal 4.9kW
Heat Output Range: 3.0kW to 8.0kW depending on fuel load
Efficiency (Net): Up to 78.0%
ErP Energy Rating A
Defra Smoke Exempt: Yes
Fuel: Seasoned wood logs (less than 20% moisture content)
Airwash: Yes – top and left and right hand sides
Air Controls:

Wiking Automatic system plus secondary air control

Construction: Cast iron door and fire chamber base with steel bodywork
Flue Outlet: Top or Rear (optional blanking plate required when using rear flue)
Flue Diameter 150mm  / 6″
Grate Type Flat bed with open / close centre grate and ash pan
Guarantee: 5 Years
Maximum Log Length 280mm / 11″ approx
Standard Colour

Matt black

Optional Finishes: Grey
Options: Direct external air supply system (aka ‘Fresh Air System’)

Top flue outlet blanking plate (when using rear flue)

Net Weight: 93.0kg
Recommended Log Length (mm):  275 (11″) 275 (11″)
Air vent required: Not usually in pre-2008 homes (Subject to Building Regs)
Suitable for 12mm Hearth: Yes
Direct Air Inlet (DEAS): Base or rear. 76mm dia (additional fresh air kit required)
Overall Dimensions: H1012  W468  D356
Minimum Combustible Distances (mm): Sides 310  Rear 100


Brand Wiking
Heat Output 7.0kW nominal
Heat Range 4.0kW up to 9.0kW depending on load
Efficiency (Net) Up to 81.0% / ErP A+
Defra Exempt Yes
Ecodesign Yes – 2022 Ecodesign Ready
Construction Steel bodywork with cast iron door and firegrate
Flue Outlet Top or Rear 150mm (6")
Fuel Bed Vermiculite base with cast iron grate and steel ash pan
Finish Anthracite Grey Paint
Optional Finishes Luma 6 with Soapstone or Tiles
Log Length Maximum 330mm (approx 13")
Weight 126kg (+45kg for heat storage stones option)
Air Vent Required Yes
Direct Air Yes 100mm dia inlet
Minimum Distances Sides 400mm (600mm for side glass) Rear 150mm Front to furniture 1100mm
12 mm Hearth Yes (Subject to Building Regulations)
Controls Single Control for Primary and Secondary / Wiking Automatic Management
Guarantee 5 Years (Subject to T & Cs)
Other Models Luma 6 with Soapstone or Tiles


  • CE EN 13240 (Europe)
  • DIBt (Germany). Suitable for installations with MVHR
  • 2022 Ecodesign (EU / UK)
  • DEFRA Smoke Exemption (UK)
  • Hetas Registered Appliance (UK)
  • NS 3058/3059 (Norway)
  • Art. 15a (Austria)
  • Heat Storage Stones (45kg)
  • Flue outlet: top or rear
  • Combustion air system is available

Additional information

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