First Alert 2-Pack Plug-in Carbon Monoxide Detector Item #773398 | Model #TH.091601-16 properly installing a thermal expansion

properly installing a thermal expansion tank can solve all these issues

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First Alert 2-Pack Plug-in Carbon Monoxide Detector Item #773398 | Model #TH.091601-16 properly installing a thermal expansionThe First Alert CO605 carbon monoxide alarm uses an electrochemical sensor the most accurate technology available. The permanent sensor lasts up to 5 years. This carbon monoxide alarm plugs into any standard electrical socket and monitors your space for elevated carbon monoxide levels. The test silence button silences the alarm and allows you to test its functionality. The unit monitors and re alarms if carbon monoxide level persist sounding a loud 85