Grand Rapids, Mich.-based Fireboy-Xintex says it completed all phases of testing on its CO Sentinel Carbon Monoxide Detector Line to the revised Underwriter’s Laboratories 2034 Marine Standard for single and multiple station carbon monoxide alarms.

The new UL 2034 Marine Standard for carbon monoxide detectors mandates the incorporation of an “end of life function.”

The CO Sentinels will be manufactured with a five-year “end of life” design. Also included in the new UL 2034 Marine Standard were revised operating temperature and humidity ranges.

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