Section R. 408.41874 - L.P. gas appliancesRule 1874.
(1) LP-Gas consuming appliances shall be approved types.(2) Any appliance that was originally manufactured for operation with a gaseous fuel other than LP-Gas, and is in good condition, may be used with LP-Gas only after it is properly converted, adapted, and tested for performance with LP-Gas before the appliance is placed in use.Mich. Admin. Code R. 408.41874
1979 AC; 1983 AACS; 2015 MR 7, Eff. April 14, 2015