PRICES MAY VARY. 2021 Uniform Mechanical Code Quick-Card Based on 2021 Uniform Mechanical Code (UMC) This 6-page guide provides the basic numbers, flow rates and formulas the plumber and mechanics needs based from 2021 Uniform Mechanical Code (UMC) Features: Mechanical Systems - General - - Ventilation Air - Exhaust Systems - Duct Systems - Combustion Air - Indoor & Outdoor - Vents & Chimneys - Installation of Specific Appliances - Boilers & Pressure Vessels - Refrigeration - Hydronics Publishe
