The Wöhler A 450 is a compact and durable combustion analyzer designed specifically for residential flue gas analysis. It measures key parameters such as carbon monoxide, calculated carbon dioxide, flue gas temperature, and combustion air temperature, making it easy to optimize burner settings and flue gas efficiency. All important readings are clearly visible at a glance on the spacious 5" color display, enabling fast and reliable on-site evaluation.
In combination with the Wöhler RP 72 smoke pump, technicians can also perform a traditional smoke number test on oil-fired appliances, complementing the digital flue gas analysis of the Wöhler A 450. Together, the Wöhler A 450 and Wöhler RP 72 provide a practical, precise, and convenient solution for residential combustion analysis and documentation.




