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gas pressure out of range

Gas pressure warning

Rheem · Water Heaters

What does gas pressure out of range mean?

The inlet gas pressure is outside the allowable range for natural gas or LP gas. This can cause improper operation. A gas pressure regulator may be needed.

Common Causes

  • Incorrect gas supply pressure
  • Faulty gas regulator

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the inlet gas pressure is within the specified range for your gas type (4.0” – 10.5” w.c. for Natural Gas, 8.0” – 13.0” w.c. for LP gas).

  2. 2

    If the pressure is out of range, a gas pressure regulator must be installed.

  3. 3

    Consult a qualified service technician to install or adjust the gas pressure regulator.

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

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Source: Rheem Water Heaters
Open Manual (Page 5)Search more codes in this manual