Burnham CHG150 Boiler User Manual


 
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Figure 10.2: Gas Valve Detail
 





 

 


 


 
10.3.

Table 10.3: Typical CO2/O2 Combustion Readings Range
Model Fuel %CO2 %O2
CHG150 Natural Gas 8.2 6.3
CHG225 Natural Gas 8.7 5.4
CHG150 Propane NA NA
CHG225 Propane 10.2 5.4
WARNING
EACH CHG SERIES BOILER IS TESTED AT THE FACTORY AND ADJUSTMENTS


ADJUSTMENTS. IMPROPER GAS VALVE OR MIXTURE ADJUSTMENTS COULD
