Technical Articles

FAQ - What does a 29 error code mean?

A 29 error code indicates a neutralizer drainage failure.  The neutralizer is designed to drain condensate away from the heater. If the neutralizer and/or drain becomes blocked up, the unit will flash the 29 error code to prevent the burner from being flooded.


Common issues related to the 29 error code include:

1) Blockage in the condensate drain line
2) Incorrect condensate line piping (e.g. upward sloping of drain line, trapped drain line, incorrect size piping)
 
Local Service Representatives can be found at http://support.noritz.com/servicereplocator.php



Applicable Models
  • Models: NCC199-DV-LP, NCC199-DV-NG, NCC199-SV-LP, NCC199-SV-NG, NRC111-DV-LP, NRC111-DV-NG, NRC111-SV-LP, NRC111-SV-NG, NRC98-DV-LP, NRC98-DV-NG
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