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How to replace a faulty Deta 1121 Carbon Monoxide Alarm with a new Deta 1169 | andy nash
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How to replace a faulty Deta 1121 Carbon Monoxide Alarm with a new Deta 1169 | andy nash
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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
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How to replace a faulty Deta 1121 Carbon Monoxide Alarm with a new Deta 1169 | andy nash
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