RRKA-A024JK06E Sorry to be a pain in the butt, but I am a single mom, trying to do it myself. I had to replace my gas water heater last month, and did it by help online.
There is onboard diagnostics and if flashing three times we have the problem.
I'm a Rheem dealer and can get the wiring diagrams online and this is what its telling me
I see that, but I see two knobs on the bottom, but i don't see how that part comes off