Carbon monoxide detector

Carbon monoxide detector. (1) A residential care center in a one-unit or two-unit building shall have a functional carbon monoxide detector installed in the basement and on each floor level, except the attic, garage, or storage area of each unit, in accordance with the requirements of s. 101.647 , Stats. (2) A residential care center in a building with at least 3 units shall have one or more functional carbon monoxide detectors installed in accordance with the requirements of s. 101.149 , Stats.