Catalog Stûv 21

technical specifications Stûv 21/65 H Stûv 21/75 SF Stûv 21/85 SF Stûv 21/95 SF weight | kg 197 182 234 292 nominal heat power | kW 12 10 13 15 optimum output range | kW 8-12 8-11 8-14 10-18 efficiency | % 78 80 78 76 CO emissions| % 0,06 0,07 0,08 0,09 particle emissions* | mg/Nm3 13 16 22 18 energy efficiency index (EEI) 104 107 104 101 energy efficiency class A A+ A A range of wood consumption** | kg/h 2,3-3,7 2,2-3,1 2,3-4,0 2,9-5,3 length of logs | V / H - cm 33/50 50/50 50/50 60/50 outside air intake | ø mm 100 100 100 100 patent 1445541 1445541 1445541 1445541 Options Stûv 21/65 H Stûv 21/75 SF Stûv 21/85 SF Stûv 21/95 SF + open fire possible s s s s + barbecue kit o o o o + outside air connection o o o o + electric ventilation o o o o Dimensions 21/65-H SF 21/75 SF 21/85 SF 21/95 SF + (A) width | mm 650 750 850 950 + (B) depth | mm 490 490 540 590 + (C1) max. height | mm 1455 1137 1295 1455 + (C2) min. height | mm 1225 1005 1115 1225 + (D) width of the glass | mm 470 570 670 770 + (E) height of the glass | mm 615 456 535 615 + (F) width of the opening | mm 584 684 784 884 + (G) height of opening | mm 683 524 603 683 + (H) duct diameter - Ø | mm 200 180 200 250 + (I) position of the duct | mm 196 186 201 221 Stûv 21 technical specifications 38 * measurement method in accordance with DIN + ** at 12 % humidity V/H vertical position/horizontal position o optional s standard - not available