I went to the Rheem site and here are some good articles:
Just wanted to share
Dielectric Fitting Info.pdf (65.8 KB)
How to determine if a water heater is leaking.pdf (193 KB)
How to flush a water heater.pdf (66.2 KB)
How to read an Energy Label Guide.pdf (159 KB)
What causes that sulpher smell.pdf (65.5 KB)