ENG
PELLET FIREPLACE
(Rev. 15/10/2013)
sheet for technical details but temperature Txxx should be at least 50 °C higher than the maximum smoke
temperature.
Pressure class (smoke tightness) N
Since all smokestacks must work in depression, the pressure class will be N = negative
By the end a smokestack showing this tag is perfect to fit a pellet stove: T450N1D2GXX
Soot fire resistance class G
All smokestacks connect to appliances burning solid fuel must be soot fire resistant; the designation letter will
therefore be G followed by the distance in millimeters (XX) (as per UNI EN 1443) from flammable materials. The
chimney has to be build as UNI 10683 regulation, for all other countries, accordance with local and national
regulations in force.