Morso S81-90 Inset Multifuel Stove (4kW).

Morso S81-90 Inset Multifuel Stove (4kW).

RRP: £1,116.00
Our Price: £1,016.00

S81–90. This stunning new multifuel insert that has been specifically designed with a UK standard fireplace opening in mind, making it an ideal choice when replacing an out dated gas fire or open grate.

The Morsø S81 is a compact steel stove combined with a quality cast iron door you have come to expect from Morsø. This beautiful 4kW insert is perfect for smaller rooms and looks great either hearth or wall mounted. With its three and four-sided trim options in dark grey or brushed steel this 88% net efficient stove will suit any home.

Technical Data

  • Air wash system
  • Pre-heated primary air
  • Pre-heated secondary air
  • Tertiary air supply
  • Ash can
  • Direct air supply


  • Wood and briquettes
  • Approved manufactured smokeless fuel

Stove Colours

  • Dark grey

Trim Colours

  • Dark grey
  • Brushed stainless steel


  • EN 13240
  • Defra pending


S81-90 DiagramS81-90 CAD

Technical details

Rated output (kw) 4
Log length (cm) 28
Flue outlet, internal ø (mm) 134
Minimum internal flue ø (mm) 120
Weight (Kg) 58
Efficiency Net / Gross (%) 88/81
Height (Stove Body) (mm) 495 - 555
Width (Stove Body) (mm) 388
Depth (Stove Body) (mm) (Excluding Door) 320
Trim Height (mm) 567
Trim Width 480

Clearances to combustibles

Top (mm) 600
Sides (mm) 225
Rear (mm) 100
Soft furniture (mm) 700
Above the floor (mm) 150*
*Combustible Floors

Where the stove is not installed in a traditional fireplace opening with a constructional hearth the following clearance apply.

If the stove is installed over combustible flooring, a 12mm thick non-combustible floor protection must cover the floor under the stove and extend at least 300mm in front and 150mm either side of the stove.

The minimum clearance from the non-combustible floor protection to the under side of the stove is 150mm

* Uniquely with every stove purchase we offer an inclusive site survey this is carried out by a HETAS registered engineer and is provided prior to shipment avoiding expensive mistakes and ensuring the ideal choice of stove and professional advice is given.

**See Fixed Price Installation Terms and Conditions