• Reproducible power setting with only a single controller • Constant gas/air mixing ratio independent from the power • Measurement of gas/air volume using a variable-area flow meter • Air supply through either compressed air or blower • Power-controlled blowers • Electrical / mechanical components in separate housings • Commercially available gases can be used (max. 100 mbar) • Flexible mixture hose • Single or dual electrode system for igniting/monitoring the burners • Single or multiple burner operation possible