What should be done if If the water level cannot be seen in the lower part of the boiler gauge glass

05 Nov '19, 10:40

Nov. 5, 2019, 10:40 a.m.
KnowledgeBase's gravatar image


Stop the boiler firing immediately and investigate the cause of the water level drop. It may be:

  • air in the feedwater pump
  • faulty level switch, which controls feedwater pumps operation
  • faulty feedwater pump contactor or automation
  • leaking tube(s)

Resume normal boiler operation only after the cause identified and rectified.

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05 Nov '19, 10:45

Nov. 5, 2019, 10:45 a.m.
cheng's gravatar image

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