Settings	Unit	Natural Gas (H)	Propane
CO2 after 5 minutes full (MAX) load mode with boiler front casing fitted	Vol.–%	7.8 – 10.2	9.7 – 10.7
CO2 after 5 minutes full (MAX) load mode with boiler front casing removed	Vol.–%	7.6 – 10.0	9.5 – 10.5
Set for Wobbe index Ws		15	22.5
CO value with full load		< 250	< 250
CO/CO2		< 0.0031	< 0.0026