How to Descale a Noritz Heater
This video is being revised. Please use this video as a learning tool. New videos will be coming out soon which will be able to demonstration different model procedures in regards to descaling a Noritz Heater.
The PDF files below are the new descaling procedures. The models are broken into “Zones”. Each zones have their own break down which are specific to the model. Please refer to your unit designated zone.
If you have any question regarding the descaling procedures or Noritz product please contact Noritz for technical support at 866-766-7489.
For further technical information regarding Noritz product please click on the leak below:
For assistance in locating a servicer in your area please click on the link below.
For units that start with the following names below, please click on the link for the “Descale procedure Group A Zone II”.
• NRC663-FSV (EZTR40)
For units that start with the following names below, please click on the link for the “Descale Procedure Group B Zone III”.
For all other units not listed above, please click on the link for the “Descale Procedure Group C”.