Valves can usually be found directly below the heater or outside the home at the gas meter. Often yellow color.
If theres a plug disconnect it, if it looks hardwired locate the water heater switch at the breaker panel
Look for a blue handle valve below the heater. If it won't budge, turn off water at the meter near the street.
Have a tankless water heater in Bryan College Station showing an error code or not running properly? Before thinking you may need a new heater give us a call. We are authorized to service Rinnai, Navien, Rheem, and Noritz. We carry the proper tools and parts to quickly pinpoint or repair specific components.
Rinnai error code 2: No burner operation during freeze protection mode
Rinnai error code 3: Power interruption during Bath Fill (Water will not flow when power returns).
Rinnai error code 10: Air Supply or Exhaust Blockage
Other possible causes, which will require a licensed plumber:
Rinnai error code 11: No Ignition
Other possible causes, which will require a licensed plumber:
Rinnai error code 12: Flame Failure
Other possible causes which will require a licensed plumber:
Rinnai error code 14: Thermal Fuse
Other possible causes, which will require a licensed plumber
Rinnai error code 16: Over Temperature Warning
Other possible causes, which will require a licensed plumber
Rinnai error code 19: Electrical Grounding
Will require a licensed plumber
Rinnai error code 31: Burner Sensor Error (ONLY FOR VB INDOOR MODELS )
Will require a licensed plumber
Rinnai error code 32: Outgoing Water Temperature Sensor
Will require a licensed plumber
Rinnai error code 33: Heat Exchanger Outgoing Temperature Sensor
Will require a licensed plumber
Rinnai error code 34: Combustion Air Temperature Sensor (ONLY FOR INDOOR NON-CONDENSING MODELS EXCEPT R98LSi)
Other possible causes, which will require a licensed plumber
Rinnai error code 41: Outside temperature thermistor (outdoor models only)
Will require a licensed plumber
Rinnai error code 51: Inlet water temperature thermistor (RL94 only)
Will require a licensed plumber
Rinnai error code 52: Modulating Solenoid Valve Signal Abnormal
Will require a licensed plumber
Rinnai error code 57: Burner
Will require a licensed plumber
Rinnai error code 61: Combustion Fan Failure
Will require a licensed plumber
Rinnai error code 65: Water Flow Control
Will require a licensed plumber
Rinnai error code 70: PC Board
Other possible causes, which will require a licensed plumber
Rinnai error code 71: Solenoid Valve Circuit
Will require a licensed plumber
Rinnai error code 72: Flame Sensing Device
Will require a licensed plumber
Rinnai error code 73: Burner Sensor Circuit (ONLY FOR VB INDOOR MODELS)
Will require a licensed plumber
Rinnai error code 79: Water Leak Detected (Water has been detected at the bottom of the unit)
Rinnai error code LC, LC#, LC0, LC1, LC2…: Scale Build-up in Heat Exchanger
Will require a licensed plumber
Rinnai error code FF#: Maintenance performed
No code: Nothing happens when water flow is activated.
Other possible causes, which will require a licensed plumber
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Rheem error code 00: 1 Hour continuous combustion
Rheem error code 05: Imperfect Combustion Alarm
Will require a licensed plumber
Rheem error code 10: Air Supply or Exhaust Blockage
Other possible causes, which will require a licensed plumber:
Rheem error code 11: No Ignition
Other possible causes, which will require a licensed plumber:
Rheem error code 12: Flame Failure
Other possible causes, which will require a licensed plumber
Rheem error code 14: Overheat Wrap Fault
Will require a licensed plumber
Rheem error code 15: Boiling Safety Device
Will require a licensed plumber
Rheem error code 16: Over Temperature Warning Check for clogged heat exchanger.
Other possible causes, which will require a licensed plumber:
Rheem error code 21: Malfunction of Air Intake Filter Switch
Rheem error code 24: Malfunction of Operational Switch
Other possible causes, which will require a licensed plumber:
Rheem error code 29: Heat Exchanger Outlet Temp. Too Low
Will require a licensed plumber
Rheem error code 31: Water Inlet Temperature Sensor Fault
Will require a licensed plumber
Rheem error code 33: Outgoing Water
Will require a licensed plumber
Rheem error code 34: Combustion Air Temperature Sensor Fault
Will require a licensed plumber
Rheem error code 35: Improper Thermistor Connections
Will require a licensed plumber
Rheem error code 51: Gas Inlet Solenoid Valve Fault
Will require a licensed plumber
Rheem error code 52: Modulating Solenoid Valve Fault
Will require a licensed plumber
Rheem error code 61: Combustion Fan Failure
Will require a licensed plumber
Rheem error code 71: Gas Inlet Solenoid Valve Control Fault
Will require a licensed plumber
Rheem error code 72: Flame Sensing Device Fault
Will require a licensed plumber
Rheem error code 76: Communication Fault with Remote Control
Other possible causes, which will require a licensed plumber:
Rheem error code 79: Fan Motor Current Fault
Will require a licensed plumber
Rheem error code 80,81: Gas Cut-off Failure
Will require a licensed plumber
Rheem error code 82: Gas type data failure
Will require a licensed plumber
Rheem error code 99: Blocked Flue Fault
Will require a licensed plumber
Rheem error code No code: Nothing happens when water is flowing through unit.
Other possible causes, which will require a licensed plumber: