HB 627 -- Carbon Monoxide Detection Devices Sponsor: McClanahan This bill requires that all newly constructed residential properties and rental dwellings have an approved and operational carbon monoxide alarm installed within 10 feet of each room lawfully used for sleeping. This provision also applies to an existing residential property or rental dwelling upon its sale or the change or renewal of a lease. The owner of any rental dwelling which is required to be equipped with a carbon monoxide alarm must replace any required carbon monoxide alarm that has been stolen, removed, discovered to be missing, or rendered inoperable within the dwelling and keep and maintain the device in good repair.Copyright (c) Missouri House of Representatives