Gas Ratio Calculator

Gas Ratio Calculator


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Use the Gas Ratio Calculator to process the results from your Gas Flue Analyser and find the CO/CO2 ratio for natural gas.

If the boiler is running efficiently there may be no need to service it. Simply test the boiler with your analyser and obtain the oxygen, carbon monoxide and carbon dioxide values.

Input the values from the analyser into the Gas Ratio Calculator, the CO/CO2 ratio will be calculated and advice also given on whether the boiler should be serviced or not.

***Mr Combi Training would love your feedback on this app and suggestions for other apps that Heating Engineers would find useful. Please contact us at

Tags: gas calculations co/co2 ratio, ratio calculator for piping, co2 co ratio, co/co2 ratio chart.

Recently changed in this version

1.1.7 - Minor code tweaks

1.1.8 - Minor tweaks

1.1.9 - Layout adjustments and minor updates

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