The burner sometimes shuts off after 3 to 10 min of operation. The remote displays a code 05 for a few seconds then changes to a 13. I have removed & cleaned the burner, air filter, checked the exhaust vent & flushed the system with vinegar. Any suggestions?
Water Heaters - Rheem - Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm
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Check manuel for code