Model reference
Rheem 150,000BTU/HR
Water Heater
1 document13 error codes
Available documentation
Service Manual
- TANKLESS WATER HEATER USE AND CARE MANUAL With Installation Instructions for the Installer72 pg
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Error codes (13)
CodeMeaning
05Air intake or vent exhaust opening may be blocked.11The vent pipes on the vent termination may not be connected properly.12Gas shut-off valve is not fully opened, gas service has been interrupted, or LP…13Persistent error after performing standard reset steps.14Water heater is overheating.15The heat exchanger is too hot.1LWater heater has buildup of lime deposits.31Faulty inlet thermistor.33Faulty outlet thermistor.61Faulty blower motor.65Faulty water flow solenoid.99Faulty blower motor.P1Not enough water flow to operate the unit.Related Rheem water heater models
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