Siemens LFL1.622 Gas burner control, t1=65s, TSA=2s, t9=2s, AC230V (for intermittent operation) For unlimited performance with ionisation monitoring or with UV monitoring also for oil and combined...
Siemens LFL1.635 Gas burner control, t1=66s, TSA=2.5s, t9=5s, AC230V Siemens burner sequence controller LFL1.635 for use with gas, oil or dual-fuel burners of medium to high capacity,...