Noritz Error Code 29: Condensate Drain Issue
Warning: Your Noritz water heater is experiencing a condensate drain issue, which could lead to water damage if not addressed.
How to Fix Noritz Code 29
- Check if the condensate drain line is clear and flowing freely. You can try flushing the line with water to remove any blockages.
- Ensure the drain line is pitched correctly to allow for proper water flow. The pitch should be about 1/4 inch per foot.
- If you suspect the condensate pump is faulty, try resetting the water heater. If the issue persists, contact a professional.
How to Reset Noritz Code 29
- 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 29 mean?
Error code 29 on your Noritz water heater indicates that the condensate drain line is blocked or not functioning properly. This could be due to a buildup of minerals, debris, or even mold and mildew. When the drain line is blocked, water heater operation may be compromised, leading to potential water damage and system lockout.
Affected Models
Replacement Parts
| Part | OEM Number | Est. Cost |
|---|---|---|
| Condensate Drain Line | NOR-012345 | — |
| Condensate Pump | NOR-678901 | — |
Related Codes on Same Models
| Code | Description | Severity |
|---|---|---|
| 10 | Flame Failure | Warning |
| 11 | Ignition Failure | Warning |
| 14 | Thermal Fuse Failure | Warning |
| 31 | Inlet Thermistor Failure | Warning |
| 32 | Outlet 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 |