CO (carbon monoxide) detectors usually wear out in 5-7 years. Replace one with a “fuel-cell electro-chemical” sensor and with a “peak" level.
Carbon Monoxide Detectors Carbon monoxide detector, Carbon monoxide detectors, Detector
Carbon Monoxide Battery Changing And More
U.S. Department of Health and Human Services - When you change your clocks forward ⏰, don't forget to change the batteries in your smoke and carbon monoxide detectors! 🔋
Change your clocks, change your batteries
Pocket Size CO (carbon Monoxide) Detector : 5 Steps - Instructables
How do carbon monoxide detectors work? - Explain that Stuff
Replace your carbon monoxide (CO) alarms before they expire - Fire Line
Howard Co Fire & EMS on X: When you change your clocks this Sunday, take a few minutes to test your smoke and carbon monoxide alarms to make sure they're working properly. #
Make Your Home Fire Safe - Fix It - Handyman - MA Metro West
Home Security Smoke Detection: Where to Place Smoke and CO Sensors
Unlocking a cure for carbon monoxide poisoning