smoke and carbon monoxide detectors

Combination Smoke and Carbon Monoxide Detectors Recalled Due to Potential Failure

  April 13, 2022

By Greg Zimmerman

Universal Security Instruments is recalling two models of combination photoelectric smoke and carbon monoxide detectors due to risk of failure to alert users to hazardous levels, according to the Consumer Product Safety Commission’s recall notice

The models being recalled are MPC322S, which has 10-year sealed batteries and a manufacturing date code of 2017JUN09, and MPC122S, which is a hardwired alarm with 10-year sealed battery backup and a manufacturing date code of 2017JUN02. 

The company has received two reports of units that failed to alarm for the presence of carbon monoxide within the specified time requirement. No injuries have been reported.  

Users should contact the manufacturer at its website for a free replacement.  

Greg Zimmerman is editor, FacilitiesNet.com and Building Operating Management. 



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