Two pass flue circulation

From 12 to 70 kW

Key features

• Firing wood logs, brown coal, lignite, coke, and pellet (with addition of pellet burner)
• Water-cooled bottom grate
• EN-GJL 200 grade grey cast iron
• Good finishing
• Unique flue circulation principle resulting smoooth turbulance, and high efficiency
• Faster fire-up intervals between fuel re-loads due to original design of combustion chamber

KAPPA S

• Combustion primary air controlled by thermostatic regulator,  manual adjustment on secondary air
• Scaled thermometer to monitor boiler outlet temperature

Kappa Biomass

• 20 / 25 / 30 kW outputs
• Kappa conforms Class 3 of EN 303/5 when fired with non-woody biomass with supplied accessories