Slow combustion stove  

... type GRA A/B dedicated to heat rooms up to 150 m³

EWI-THERM slow combustion stoves type  GRA-A/B
Proven for years, consistently developed and permanently adjusted to the changing requirements, the EWI-THERM slow combustion stove GRA A/B slow-combustion stove represents the optimum solution for heating smaller rooms or workshops.

Main feature is the combustion of wood and waste wood pieces, which are hence economically and ecologically converted to heating power.

Slow combustion stove type GRA-A/B, technical data:
Sectional drawing of EWI-Therm Slow combustion stove type GRA-A/0

Slow combustion stove type GRA-A/B
  Heating performance
(*with circular heating element)
8,5 kW
(10 kW)
For rooms up to 150 m³ (as per DIN 4108)
Height 101 cm
Diameter (Ø) 45 cm
Flue pipe Ø 120 mm
Height up to lower flue pipe edge 80 cm
Filling section volume 70 ltr
Chimney Ø 150 mm / 180 mm
(as per DIN 13348-1)
Øof filling volume 175 mm
Chimney height ca. 5 m
Weight 120 kg
Exhaust gas flow rate 11 g/s
Minimum conveying pressure 1,5 mbar
Exhaust gas temperature 220 °C
Flue pipe outlet left (Standard),
optionally on the right
 All contents and specifications are subject of change without notice.   *Connection to a stainless steel chimney only in connection with a circular heating element.

  ... more:


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 • Industriestr. 3 • D - 67722 Winnweiler • Phone +49 6302 / 6 09 92-0 • Fax +49 6302 / 6 09 92-29
EWI-THERM Générateurs d’air chaud    EWI Therm Hot Air Stoves and Slow Combustion Stoves, english Version    EWI Therm Warmluftöfen, deutsche Version
© Eisenwerk Winnweiler
   Krämer KG
• Industriestr. 3 • D - 67722 Winnweiler
• Phone +49 6302/9 09 92-0 • Fax +49 6302/9 09 92-29