AskManual.ai
!
error Rheem

Error Code Error Code 12

Gas service has been interrupted.

? What Causes This

Gas supply line is blocked, cut off at the main valve, or gas service is unavailable.

✓ How to Fix It

  1. Check that the main gas shut-off valve is open.
  2. Verify gas service is active with your provider.
  3. Inspect gas supply line for damage or kinks.
  4. If issue persists, contact gas service or a technician.

This error code appears in:

Rheem Tankless Water Heater