A computerized monitoring system shall be equipped with an alarm that will activate when: The stack flue gas reaches a high temperature; The burner status indicator indicates the burner is “off”; The flame safety control status indicates a “flame failure”; and One of the following occurs, as applicable: For steam boilers, the: Steam reaches low or high pressure; or Water reaches low or high level; For a hot water boiler operating at 30 to 299 horsepower, the water reaches low or high temperature; or For a hot water boiler operating at 300 or more horsepower the water reaches low or high: Pressure; Temperature; or Level.