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// CODE SNIPPET

501.4.2.5 Separate Makeup Air and Combustion Air Openings

Minnesota Mechanical Code 2015 > 5 Exhaust Systems > 501 General > 501.4 Pressure Equalization > 501.4.2 Makeup Air Supply > 501.4.2.5 Separate Makeup Air and Combustion Air Openings
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When both makeup air and combustion air openings are required, they shall be provided through separate openings to the outdoors, subject to IFGC Section 304, to determine requirements for air for combustion and ventilation:
Exception:Combination makeup air and combustion air systems may be approved by the building official where they are reasonably equivalent in terms of health, safety, and durability.

Related Code Sections


501.4.2.5 Exhaust Systems, Separate Makeup Air and Combustion Air Openings
When both makeup air and combustion air openings are required, they shall be provided through separate openings to the outdoors, subject to IFGC ...
2020 Minnesota Mechanical Code > 5 Exhaust Systems > 501 General > 501.4 Pressure Equalization > 501.4.2 Makeup Air Supply > 501.4.2.5 Separate Makeup Air and Combustion Air Openings
501.4.2.5 Exhaust Systems, Separate Makeup Air and Combustion Air Openings
When both makeup air and combustion air openings are required, they shall be provided through separate openings to the outdoors, subject to IFGC ...
Minnesota Mechanical Code 2015 > 5 Exhaust Systems > 501 General > 501.4 Pressure Equalization > 501.4.2 Makeup Air Supply > 501.4.2.5 Separate Makeup Air and Combustion Air Openings
304.11 General Regulations, Combustion Air Ducts
, they shall be provided through separate openings to the outdoors. Exception: Combination makeup air and combustion air systems may be approved ...
2020 Minnesota Fuel Gas Code > 3 General Regulations > 304 (IFGS) Combustion, Ventilation and Dilution Air > 304.11 Combustion Air Ducts
304.11 General Regulations, Combustion Air Ducts
openings are required, they shall be provided through separate openings to the outdoors. Exception: Combination makeup air and combustion air systems ...
Minnesota Fuel Gas Code 2015 > 3 General Regulations > 304 (IFGS) Combustion, Ventilation and Dilution Air > 304.11 Combustion Air Ducts
501.4.2 Exhaust Systems, Makeup Air Supply
When both makeup air and combustion air openings are required, they shall be provided through separate openings to the outdoors ...
2020 Minnesota Mechanical Code > 5 Exhaust Systems > 501 General > 501.4 Pressure Equalization > 501.4.2 Makeup Air Supply
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