Performance parameter adjustment ratio 36:1 Maximum power 280,000 kcal/h Minimum power 7800 kcal/h Maximum natural gas consumption 33 Nm3/h Minimum natural gas consumption 0.9 Nm3/h Natural gas inlet pressure 18-22 mbar Main burner accessories and combinations Solenoid valve HonEYWELL • Proportional motor SIEMENS • Ignition transformer SIEMENS • Program controller SIEMENS • Air pressure switch