ESSE Inset Stoves Models 301 – 4kW, and 350 – 5kW; efficiency over 80%


Typical of ESSE’s innovative thinking, these two convector stoves represent a unique solution to fireplace conversion – replacing an inefficient open fire with continuous controlled warmth, coupled to exceptional fuel economy.

ESSE pioneered convector stoves back in the 1920s, and we’ve been further developing the technology ever since.

Both these models feature a heat exchange convection chamber, with the firebox sitting inside a second outer casing with a cavity between the two. Cool air from the room is drawn in at the base of the stove and heated before rising out of the top of the stove into the room, keeping the mantle cooler.

Unlike ordinary stoves, which only emit heat in straight lines, ESSE convector stoves emit both radiation and a continuous gentle stream of hot air, evenly heating every corner of the room.

With a slightly lower heat output of 4kW, the 301 can fit straight into a standard fireplace. But the larger firebox of the 350, which delivers 5kW, means the back firebrick needs to be removed.

Advanced features shared by both models include precision air intake control; secondary air control, allowing you to burn either wood or smokeless fuel; and ESSE’s Afterburn™ airwash technology, which gives you exceptional burn rate control, while keeping the glass door clear at all times.

Both stoves are available with a traditional style door or in a contemporary matte black finish with stainless steel handle.

Whichever you choose, your ESSE inset stove should be installed in masonry fireplaces; i.e. brick, tile or stone. Marble hearths also generally present no problem, though marble varies and may not always be able to withstand high temperatures.

  • Clearances to combustibles: 150mm sides, 400mm top & 250mm front.
Construction Steel / Cast Iron
Flue Outlet Class 1 Chimney
Flue Pipe Diameter 6″ (150mm)
External Riddling? Yes
Suitable for Continuous Burning? Yes
Pre-heated Sedcondary Airwash? Yes
Afterburn™ System? No
Operating range (depending on fuel type & settings) Up to 5KW
Additional Room Vent Required No
Energy Rated – 301 A+
Energy Rated – 350 A
Fuel Logs
Output KW EN13240(ST) 4.1
Efficiency 83%
CO Emissions Corrected to 13% O² 0.14
Fuel/Hr 1.62Kgs
Flue Temperature Mean °C 230
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