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Energy bills have been increasing. There are still ways to reduce this.

Vaillant Ecotec Emissions Table

SettingsUnitNatural Gas (H)Propane
CO2 after 5 minutes full (MAX)
load mode with
boiler front casing fitted
Vol.–%7.8 - 10.29.7 - 10.7
CO2 after 5 minutes full (MAX)
load mode with boiler
front casing removed
Vol.–%7.6 - 10.09.5 - 10.5
Set for Wobbe index Ws 1522.5
CO value with full load< 250< 250
CO/CO2< 0.0031< 0.0026

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