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Fireboy-Xintex provides a variety of reliable, trouble-free fire detectionfire suppression and gas detection products.

We specialize in total flooding clean agent fire suppression systems utilizing either 3M™ Novec™ 1230 fire protection fluid or Dupont™ FM200® fire extinguishant.

We offer both pre-engineered and custom engineered fire safety systems.


Safety is Our Business!

Company News

  • Fireboy-Xintex Change of Ownership

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    Please be advised that effective June 7, 2017 there was a change of ownership with our company. W.S. Darley & Co. and Larry Akins have formed a new company named Fireboy-Xintex LLC, which includes Aetna Engineering.
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  • NEW CMD5-MB and CMD5-MD CO Alarms

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    The CMD5-M is available in battery-powered and 12/24v DC versions and each includes these unique features:
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  • Carbon Monoxide – “The Silent Killer”

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    Carbon monoxide (CO) is generated wherever combustion occurs, including the operation of gasoline engines, as well as heating and cooking appliances.  It is invisible, odorless, tasteless, and deadly.
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  • Minnesota CO Detector Law

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    NEW Minnesota CO Detector Law (H.F. No. 3310) Takes Effect May 1, 2018 Most of you know that Minnesota passed a state law last summer requiring Marine CO detectors on all boats with accommodation spaces sold or used in the state of Minnesota. The law was originally supposed to take effect May 1, 2017 but has been changed to May 1, 2018.
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CMD-4MR-RLYMarine Carbon Monoxide Detectors:

The “End of Life Alarm” is Happening.

Our office hours are Monday through Friday from 8:00AM until 5:00PM EST.

O-379 Lake Michigan Dr. NW

Grand Rapids, MI USA 49534

Engineered Fire Extinguishing Systems

Methane fume detectors for trucks using LNG fuel