![If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line](https://fireline.seattle.gov//wp-content/uploads/sites/21/2020/03/co_alarm3-1024x682.jpg)
If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line
![HOMELYLIFE Carbon Monoxide Detector, Replaceable Battery Operated Carbon Monoxide Alarm with LCD Digital Display, EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included) : Amazon.co.uk: DIY & Tools HOMELYLIFE Carbon Monoxide Detector, Replaceable Battery Operated Carbon Monoxide Alarm with LCD Digital Display, EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included) : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/71kJy+-ASmL._AC_UF350,350_QL80_.jpg)
HOMELYLIFE Carbon Monoxide Detector, Replaceable Battery Operated Carbon Monoxide Alarm with LCD Digital Display, EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included) : Amazon.co.uk: DIY & Tools
![Testing And Replacing Batteries For Carbon Monoxide Detectors And Smoke Alarms | Canadian Security Professionals Testing And Replacing Batteries For Carbon Monoxide Detectors And Smoke Alarms | Canadian Security Professionals](https://www.cspalarms.ca/wp-content/uploads/2016/06/Batteries-For-CO-Detectors-And-Smoke-Alarms.jpg)