Carbon monoxide alarms shall comply with Section R315. Carbon monoxide (CO) is an odorless, colorless and toxic gas. Because it is impossible to see, taste or smell the toxic fumes, CO can kill occupants before they are aware it is in their home. At lower levels of exposure, CO causes mild effects that are often mistaken for the flu.

Combination carbon monoxide and smoke alarms shall be listed in accordance with UL 217 and UL 2034. This comprehensive code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories. The 2021 IRC® contains many important changes such as:

a common practice. Section R315.3 requires carbon monoxide alarms to be installed in a bedroom when it or its attached bathroom contains a fuel burning appliance. This protects occupants who sleep with their b

R315.2.1 New construction. For new construction, carbon monoxide alarms shall be provided in dwelling units where either or both of the following conditions exist. 1. The dwelling unit contains a fuel-fired appliance. 2. The dwelling unit has an attached garage with an opening that communicates with the dwelling unit.

Carbon monoxide alarms required by Section R315.2 shall be installed in the following locations: Outside of each separate dwelling unit sleeping area in the immediate vicinity of the bedroom (s). On every level of a dwelling unit including basements.

Pursuant to Health and Safety Code Section Code section 17926, carbon monoxide devices shall be installed in all existing dwelling units as required in this section. Section R315.2.1 For existing buildings and new construction, carbon monoxide alarms shall be provided in dwelling units where either or both of the following conditions exist.

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Carbon monoxide alarms combined with smoke alarms shall comply with Section R315 and applicable standards, and requirements for listing and approval by the Ofice of the State Fire Marshall for smoke alarms.

R315-263. Standards Applicable to Transporters of Hazardous Waste and Standards Applicable to Emergency Control of Spills for All Hazardous Waste Handlers

Carbon monoxide alarms shall be listed in accordance with UL 2034. Combination carbon monoxide and smoke alarms shall be listed in accordance with UL 2034 and UL 217. This comprehensive code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories.