Mar 15, 2017 · To prevent furnace explosions, it is imperative that boiler operators purge the boiler before ignition of the burner. Workers should check the fuel to air ratio, the condition of the draft, and the flame to make sure that it is not too high and not smoky.
Read MoreThe boiler burner equipment, operating controls, and safety controls shall be designed to the recommendations of NFPA [54] [58] and the Industrial Risk Insurers (IRI) for automatic gas-fired boilers, with the following exception: a normally open vent-line solenoid valve shall be provided between dual safety shutoff valves on gas pilots
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