Jess Xtra

weights and dimensions

h x w x d STM 1186 x 898 x 503 mm
h x w x d combustion chamber 330 x 638 x 328 mm
weight STM / KMG / SPM 288 / - / - kg
flue outlet diameter ø 150 mm
flue outlet diameter middle 1044 mm
w x d warming compartment / -plate -
h x w x d KMG -
h x w x d SPM -

heat output

ominal heat efficiency according to EN 13240 8 kW
Min. / Max. output 4 / 11 kW
min. / max. room heating capacity 98 - 255 m³

features

Xtra heatstoring technology o
Heat Memory System -
design 1 o
cast iron top plate -
warming compartment -
ceramic version -
steel version o
soap stone version -
soap stone top plate -
ash drawer -
ash box Z
floor plate / fire tube Z
cladding
door flat

data for chimney sweep

Flue gas temperature closed 332 °C
Minimum feed pressure at nominal heat efficiency closed 12 Pa
at 0,8 times nominal heat efficiency 10 Pa
DIBt approved o
Total flue gas flow closed 6,49 g/s
external air connection o

drawing

dimensions (acc. to drawing) a 1722 / b 1044 / c 652 / d 213

see user manual for safety distances
o … standard / Z … accessory / - … not available