This burner is typically suited for commercial hot water boiler and steam boiler systems.Available for use with light oil Class D fuel with:single stage on/off2 stage high/low3 stageFully modulating operation. Information Key Features:Quick and easy installationReliable and trouble free operationIndustry standard components availableMost components can be easily accessed allowing for easy maintenance.All M Series burners have been design in accordance with EN676 and EN267.