Noritz Error Code 32: Outlet Thermistor Failure
Warning: Your Noritz water heater is locked out due to a potential safety issue. It won't heat water until fixed.
How to Fix Noritz Code 32
- Check if the water heater is getting power. The display should light up when you turn on the power switch.
- Try resetting the water heater. Turn off the power at the breaker, wait 30 seconds, then turn it back on.
- If the error persists, call a licensed HVAC technician. Do not attempt to open the water heater or touch any internal components.
How to Reset Noritz Code 32
- Turn off the unit using the power button on the front panel.
- Turn off the gas supply valve.
- Turn off the circuit breaker supplying power to the unit. Wait 30 seconds.
- Restore power at the breaker, then open the gas valve.
- Turn the unit back on. If the error returns, the underlying issue needs repair.
What does 32 mean?
Error 32 on your Noritz water heater indicates a failure in the outlet thermistor, a crucial temperature sensor. This sensor ensures your water heater operates safely and efficiently. When it fails, your heater can't accurately measure the water temperature, leading to a system lockout to prevent overheating or underheating.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Outlet Thermistor | Noritz 5552000001 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| 10 | Flame Failure | Warning |
| 11 | Ignition Failure | Warning |
| 14 | Thermal Fuse Failure | Warning |
| 29 | Condensate Drain Issue | Warning |
| 31 | Inlet Thermistor Failure | Warning |
| 33 | Heat Exchanger Thermistor Failure | Warning |
| 43 | Water Level/Neutralizer Issue | Warning |
| 45 | Water Leak Detected | Warning |
| 51 | Fan Motor Failure | Warning |
| 61 | Fan Motor Failure | Warning |