RHEEM 40 Gallon FVR NATGAS Low WATER HEATER 6YR 22V40SF: water leaking from top of water heater how can i f...

Open following link to identify source of leak, and possiblesteps to repair or replace.
http://waterheatertimer.org/Leaking-water-heater.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

If water is leaking from a pipe. then replace or repair the pipe or fitting. If the leak is coming from the unit itself, then replace the unit. Hope this helps.