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14

14 - Water heater is overheating

Rheem · Water Heaters

What does 14 mean?

The water heater has detected that the temperature inside the unit is too high. This is a safety measure to prevent damage or scalding.

Common Causes

  • Thermostat malfunction
  • Overheating due to excessive temperature setting
  • Blocked water flow

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Contact a dealer or qualified service technician immediately.

  2. 2

    Do not attempt to use the hot water until the issue is resolved.

  3. 3

    Ensure the temperature setting is not excessively high.

Browse all codes in this manual (70)
Verified technical data. Last updated: April 2026

Related Faults

1111 - Gas shut-off valve is not fully open1212 - Gas service interrupted or LP gas low13Hot and cold water lines reversed
Source: Rheem Water Heaters
Open Manual (Page 77)Search more codes in this manual