Vaillant Group Annual Service

Additional Information

Inlet Working Pressure
B/P Min Max
Gas Rate

Max C02 / CO Ratio
Min C02 / CO Ratio
Expansion Vessel

Annual Service Checklist

Flue and terminal checked
Combustion Air checked
All safety devices checked
Gas pressure & Heat input checked
Operating pressure checked
Combustion Fan checked
Heat exchangers checked
Gas and water seals checked
Burners checked and cleaned
Ignition system checke
Performance Tested
External Controls checked
Advice provided about efficient usage

Further information issued
Next Service Due On: / /

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