If someone has a CO device that is not listed by the State Fire Marshal prior to the law, can they maintain it or does it have to be replaced?
The law required that CO devices to be approved and listed by the State Fire Marshal. It does not prohibit someone who already owns the device prior to the effective date of Senate Bill (SB) 183.

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1. What is Senate Bill No. 183 (SB-183)?
2. What is Carbon Monoxide?
3. What is the effective date for installing a CO device?
4. Where can I find a list of all CS FM listed carbon monoxide devices?
5. What is the definition of a dwelling unit?
6. Where should CO devices be installed in homes?
7. How many types of CO devices are available?
8. What is the difference between a carbon monoxide alarm and a carbon monoxide detector?
9. Are CO devices required to be approved by the State Fire Marshal?
10. If someone has a CO device that is not listed by the State Fire Marshal prior to the law, can they maintain it or does it have to be replaced?
11. Where does one obtain a copy of a California State Fire Marshal (CSFM) listing of CO device?
12. Where can I go to receive further information on Carbon Monoxide?
13. Who can we contact at CAL-FIRE/CSFM for additional information?