-heater made out of thick sheets
-ceramic coating of the oven in different colors
-cast grate in the firebox, lasts longer
-the doors of the metal positions on the inside are covered with sealing braids, which provide a hermetic closing
-firebox lined with hardened and heat resistant plates, which accumulate heat and increase the combustion
-glass on the firebox door lets you look at the fire in the firebox
-primary air regulator is located on the lower part of the oven door
-secondary air regulator is located on the upper part of the firebox door
-an additional opening for the secondary air supply is located in the back side of the oven.
-secondary air supply provides cleaner combustion, i.e. burning of the old incomplete combustion products