Do I need a permit to install a water heater

https://drive.google.com/open?id=17w5qpa5uQTeXPN-AA0Ed8CLbsO5oShOt

from Water Heaters Now https://www.google.com/search?q=Water+Heaters+Now!+6432+Penn+Ave+S&ludocid=14751269971772661955&lpsid=4812326707733130573
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