Keeps shutting flame on and off. Cycles over and over.
Rheem-Ruud does not post service manuals.
Tank-type?
Copy following link to troubleshoot by type of gas control valve.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
Tankless? Don't buy a tankless.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
SOURCE: bosch tankless pro hot water heater cycles on and
LP pressure needed is no less than 11 inches of water column while all gas appliances are in operation. Info is in the installation manual near checking CO2 levels.
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Cleaned burner and ignitor. No problem with venting. Still cycles on and off.
Put ear against pipe and check for sound of water leak. Open troubleshoot link I sent, and there is a service manual. If you are not getting error codes, then look at link for 'no error code'. Call Rheem. Pay for service call.
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