![Universal Security Instruments Recalls Combination Photoelectric Smoke & Carbon Monoxide Alarms Due to Risk of Failure to Alert Consumers to Hazardous Levels of Carbon Monoxide | CPSC.gov Universal Security Instruments Recalls Combination Photoelectric Smoke & Carbon Monoxide Alarms Due to Risk of Failure to Alert Consumers to Hazardous Levels of Carbon Monoxide | CPSC.gov](https://cpsc-d8-media-prod.s3.amazonaws.com/s3fs-public/styles/recall_product/public/pic--3_5.png?VersionId=HIeYhkXbGsxT9txZZ47sjk0f34iFkzw3&itok=NkceKbS-)
Universal Security Instruments Recalls Combination Photoelectric Smoke & Carbon Monoxide Alarms Due to Risk of Failure to Alert Consumers to Hazardous Levels of Carbon Monoxide | CPSC.gov
HiSpec Mains Powered Combination Heat and Carbon Monoxide Alarm with 10 Year Battery Backup | DIY at B&Q
![Where to Install Smoke Alarms and Carbon Monoxide Alarms? (San Mateo County Association of REALTORS®) Where to Install Smoke Alarms and Carbon Monoxide Alarms? (San Mateo County Association of REALTORS®)](https://www.samcar.org/webart/posts/headers/1074.jpg)
Where to Install Smoke Alarms and Carbon Monoxide Alarms? (San Mateo County Association of REALTORS®)
![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)