!
error Rheem
Error Code Error Code 11
The gas shut-off valve is not fully opened.
? What Causes This
Gas shut-off valve has not been fully opened during installation or operation.
✓ How to Fix It
- Locate the gas shut-off valve.
- Turn the valve handle fully counterclockwise to open it completely.
- Restart the unit and verify operation.
This error code appears in:
Rheem Tankless Water Heater