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What are the causes of boiler backfire and steps in how to
prevent it from happening?
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Answer Posted / viraf b. karanjawala
the probable causes of boiler backfire are 1) outlet damper
partially/fully closed, 2) Improper tuning of the burner 3)
accumulation of combustible gases in pockets with in the
furnace 4) accumulation of unburnt fuel left in the furnace
5) purging time before and after burner shut off not enough
i.e. too short, 6) vol of the gases against vol provided by
the boiler manufacturer
| Is This Answer Correct ? | 53 Yes | 7 No |
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