[@masoodjilani9346]

Nice one

[@telemark2247]

A very nice and informative , introductory video regarding burner control.

[@ElabIndustrial]

Verry Nice Thanks

[@MrAbhayVishwakarma]

why air damper remains close at 90' while burner has been fired with main gas valve?

[@thomasoloo9251]

Not that good as it appears the pilot line remains open which should not be the case after the establishment of the main flame