Part VMechanical {MBPS Modification – The subject matter of Chapters 12 through 24 is not within the scope of the Maryland Building Performance Standards. See the Fuel Gas Code and Mechanical Code in Parts IV and V of this Article, and the mechanical code adopted under State Business Regulation Article § 9A-205.}Chapter 12 Mechanical Administration [As in IRC]Chapter 13 General Mechanical System Requirements§§ 1301 – 1301Chapter 14 Heating and Cooling Equipment and Appliances§§ 1401 – 1413Chapter 15 Exhaust Systems [As in IRC]Chapter 16 Duct Systems§§ 1601 – 1601Chapter 17 Combustion Air§§ 1701 – 1701Chapter 18 Chimneys and Vents§§ 1802 – 1802Chapter 19 Special Appliances, Equipment, and Systems [As in IRC]Chapter 20 Boilers and Water Heaters§§ 2001 – 2001Chapter 21 Hydronic Piping§§ 2101 – 2103Chapter 22 Special Piping and Storage Systems§§ 2201 – 2201Chapter 23 Solar Thermal Energy Systems [As in IRC]