16 🟡 Repair Required

Noritz Error Code 16: Over-Temperature

⚠️ Your Noritz water heater has detected an over-temperature condition. It's safe to use, but needs professional attention.

How to Fix Noritz Code 16

  1. Check if the incoming water temperature is too high. If it is, contact your local water department.
  2. Ensure that the water flow is not restricted. If it is, try to clear any clogs.
  3. If the above steps don't work, it's best to call a professional HVAC technician.
Type: digital display Display: front panel

What Does Noritz Error Code 16 Mean?

The Noritz 16 error code indicates that the water temperature has exceeded the set limit. This could be due to a faulty temperature sensor or a problem with the control board. The heater is still safe to use, but it's important to have it checked by a professional to prevent any potential damage or safety hazards.

Common Causes of Noritz Code 16

  • Faulty temperature sensor
  • Problem with the control board
  • High incoming water temperature
  • Clogged or restricted water flow

Applicable Noritz Models

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Replacement Parts for Noritz Tankless Water Heater Code 16

Temperature Sensor OEM: NOR-001234
Control Board OEM: NOR-567890