Vent header definition

Vent header means a branch vent which connects 2 or more stack vents or vent stacks or both and extends to the outside air.
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Related to Vent header

  • Radiation head means the structure from which the useful beam emerges.

  • Table of Contents is deleted in its entirety and replaced with the attached “Table of Contents” (identified by “SA-11”).

  • Underground source of drinking water (USDW) means an aquifer or its portion:

  • Headings mean the chapters and the headings (four-digit codes) used in the nomenclature which makes up the Harmonized Commodity Description and Coding System, referred to in this Protocol as "the Harmonized System" or "HS";

  • Heating oil means petroleum that is No. 1, No. 2, No. 4-light, No. 4-heavy, No. 5-light, No. 5-heavy, and No. 6 technical grades of fuel oil; other residual fuel oils (including Navy Special Fuel Oil and Bunker C); and other fuels when used as substitutes for one of these fuel oils. Heating oil is typically used in the operation of heating equipment, boilers, or furnaces.