I am looking into finding a supplier that also gives intallation classes, while looking found this info:
may not be the most current code
http://www.mda.state.mn.us/about/divisions/~/media/Files/food/business/ventguide.ashx
http://www.captiveaire.com/Manuals/Hoods/OEM/doc/Hoodman.pdf
may not be the most current code
http://www.mda.state.mn.us/about/divisions/~/media/Files/food/business/ventguide.ashx
http://www.captiveaire.com/Manuals/Hoods/OEM/doc/Hoodman.pdf