This 4-page guide provides the basic numbers, flow rates and formulas the plumber needs based from 2012 Uniform Mechanical Code (UMC) and 2012 International Mechanical Code (IMC). GENERAL – CAPACITIES AND CLEARANCES EXHAUST SYSTEMS VENTILATION AIR SUPPLY COMBUSTION AIR; CHIMNEYS & VENTS; STEAM & HOT WATER BOILERS SPECIFIED APPLIANCES; STEAM & HOT WATER BOILERS; REFRIGERATION This description may be from another edition of this product.
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