Fire Safety BRK CO850MBXi Carbon Monoxide Detector Mains Powered with 9 V Battery Backup Business
BRK CO850MBXi Carbon Monoxide Detector, Mains Powered with 9 V Battery Backup : Amazon.co.uk: DIY & Tools
Need help with this carbon monoxide detector as getting problems and its chirping/ showing yellow light. Detector model is a BRK CO850MBXi. Full description of problem in comments. Any help would be grately appreciated. : r/firealarms