What determines the number of and location of Type I exhaust duct(s)?
The Uniform Mechanical Code states that an exhaust duct with in a Type I hood shall be located as to optimize the capture of particulate matter. Each outlet shall serve not more than a ***12-foot*** section of hood. **EXCEPTION** Listed exhaust hoods are to be installed in accordance with the terms of their listing and the manufactures installation instructions. (CLICK HERE) to view a list of Streivor Air Systems U.L. listings.