10 🟡 Repair Required

Rinnai Error Code 10: Air Supply/Exhaust Blockage

⚠️ Your Rinnai water heater has detected a potential blockage in the air supply or exhaust system. This could lead to unsafe conditions if not addressed.

How to Fix Rinnai Code 10

  1. Check the air intake and exhaust vents for any visible blockages. If you find any, try to gently remove them using a vacuum or soft brush.
  2. Replace the air filter if it's dirty or clogged.
  3. If the issue persists, it's best to call a professional HVAC technician to diagnose and fix the problem.
Type: digital display Display: front panel

What Does Rinnai Error Code 10 Mean?

The Rinnai 10 error code indicates that your water heater has sensed a restriction in the airflow to its combustion chamber or exhaust vent. This could be due to a blockage caused by lint, dust, or other debris. If left unchecked, this could lead to a buildup of carbon monoxide, a hazardous gas that can be deadly in high concentrations. It's important to address this issue promptly to ensure the safety of your home and family.

Common Causes of Rinnai Code 10

  • Blockage in the air intake or exhaust vent due to lint, dust, or other debris
  • Faulty draft inducer fan
  • Clogged air filter
  • Incorrect venting configuration

Applicable Rinnai Models

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Replacement Parts for Rinnai Tankless Water Heater Code 10

Air Filter OEM: RIN-1000012500
Draft Inducer Fan OEM: RIN-1000013500