Residential occupancies; installation of operational carbon monoxide device; requirements; liability; definitions.
MCL 125.1504d
in effect125.1504d. Residential occupancies; installation of operational carbon monoxide device; requirements; liability; definitions.
Sec. 4d.
(1) Beginning December 1, 2009 and involving only buildings and structures newly constructed on or after that date, the owner, operator, or builder of residential occupancies where the occupants are primarily transient in nature, including, but not limited to, boarding houses, hotels, and motels, shall install 1 operational carbon monoxide device at each source point.
(2) The carbon monoxide device described in subsection (1) may be battery-powered, plug-in with or without battery backup, wired into the dwelling's AC power line with secondary battery backup, or connected to a system by means of a control panel. The carbon monoxide device required under subsection (1) shall have an alarm that is audible. If the international building code contains a requirement for a carbon monoxide device and that requirement is adopted by the director as part of a code adopted after the effective date of the amendatory act that added this subsection, those requirements apply and shall be followed upon the effective date of the code.
(3) A person who installs, in accordance with the manufacturer's published instructions in existence at the time of installation, a carbon monoxide device shall have no liability, directly or indirectly, to any person with respect to the operation, maintenance, or effectiveness of the carbon monoxide device.
(4) The owner or operator of the residential occupancy described in subsection (1), who installs or arranges for the installation of and who maintains a carbon monoxide device in accordance with the manufacturer's published instructions in existence at the time of the installation, shall have no liability, directly or indirectly, to any person with respect to the operation or effectiveness of the carbon monoxide device.
(5) As used in this section:
(a) "Carbon monoxide device" means a device that detects carbon monoxide, alerts occupants via a distinct and audible signal that is either self-contained in the unit or activated via a system connection, and is certified by a nationally recognized testing laboratory to conform to the latest standards of the underwriters laboratories standards.
(b) "Operational" means working and in service.
(c) "Source point" means an area where a mechanism is present that provides a common source of heat from a fossil-fuel-burning furnace, boiler, or water heater, but does not include only the presence of a wood or fossil-fuel-burning fireplace or a wood or fossil-fuel-burning space heater.
Add. 2008, Act 376, Imd. Eff. Dec. 23, 2008
[PopularName] Act 230
[PopularName] Uniform Construction Code
Source: Michigan Legislature (legislature.mi.gov)URL: https://legislature.mi.gov/Laws/MCL?objectName=mcl-125-1504dFetched: 10/20/2026