Description:

• glass cleaning system during combustion prevents soot from settling on its surface by means of clean air supply to the inner surface of the glass;
• the long burning system enables the firebox to be used for 10 hours without interruption;
• the secondary afterburning system, as in other Spartherm fireboxes, increases the heating capacity of the firebox with economical consumption of firewood. An important factor in the presence of secondary afterburning system is the environmental friendliness of the combustion process;
• Spartherm Varia Sh-3S fireboxes are equipped with a system of air supply to the combustion chamber from the street - this prevents the consumption of oxygen in the room, which contributes to safety and comfort in the house.

•  presence of adjustment of fresh air supply to the furnace;
•  the presence of a mechanism for raising the door on the principle of ‘guillotine’. Raising and lowering of the door is absolutely silent, the sliding is smooth. If to go into details of the design, the door moves with the help of metal cables with bearings made of heat-resistant materials, no lubrication is required;
• possibility to adjust the height of the legs for levelling the firebox during installation, fixing its position on the floor;
• the inner part of the firebox is lined with chamotte;
• stiffening ribs are installed on the outer surface of the firebox, which increase the area of the surface that gives off heat, thus contributing to a greater heat output of the fireplace;
• a removable ash drawer with a cast iron grate facilitates cleaning of the firebox;
• the firebox door is equipped with heat-resistant ceramic glass by SCHOTT - one of the leaders in the field of special-purpose glass production; 
• Spartherm Varia Sh-3S firebox body is not subject to corrosion. As it has a special coating.

Tech characteristics: