Where can I find a manuel for state censible 501e water heater?

You can find the manual for the State Censible 501E water heater on the manufacturer's official website, typically in the "Support" or "Product Manuals" section. Alternatively, you may also check online retailers or home improvement stores that sell the unit, as they often provide downloadable manuals. If you can't find it online, consider contacting State's customer service for assistance.