Owner Questions

All Noritz Tankless units feature an electronic ignition and thus do not have a pilot light like a traditional tank...

Electrical amp draw of Noritz tankless water heater Typical amp draw (current) for all of our units is between 1-3...

Yes! Noritz offers the RPK-EXT External Pump Kit which may be added to most recent Noritz Tankless units. Additionally we...

Noritz Water Treatment Guidelines There are several technologies used to treat hard water either by changing its chemical nature or...

The chart below will show you the maximum flow rate a unit can provide based on the temperature rise. What...

The heat exchanger warranty for a Noritz tankless water heater will vary from 3 years up to an industry leading...

Manufacturer Tax Credit How it Works Residential equipment and materials that meet specific standards set by the Department of Energy...

You can learn more about warranty registration here:http://www.noritz.com/home-owners/warranty/ Or download the warranty registration form: http://www.noritz.com/u/warranty_card_tankless_7_09.pdf

Will I get hot water if there is a power outage? Tankless heaters will not work if there is a...

Yes, a residential heater can be installed in a commercial application, however please be advised, the heat exchanger warranty will...

The difference between the incoming ground water temperature and the set temperature of the tankless unit. For example, if your...

Generally speaking yes you can however please refer to your local codes.

This could be an issue with the water pressure coming to the heater or a plumbing issue such as cross...

Although the H2Flow is capable of serving up to 10 gallons per minute water flow, the ideal maximum flow rate...

It is not necessary; the 8-10 gallon storage tank alleviates cold water sandwiching effects that occur in some installations. It...

Battery backups are not a required item when installing or using a tankless water heater, however they can be a...

This type of problem is typically caused by low water flow. Noritz tankless water heaters have a minimum flow requirement...

A qualified installer requirement will vary according to their respective states, county or city. Make sure the installer you choose...

They can be installed in a mechanical closet as long as there is a sufficient supply of air. To ensure...

Please see below (from 2021 product catalog) or download the product catalog HERE A qualified Noritz installer near you can...

How to locate model and serial number. What model do I have? Applicable Models Models: ALL MODELS

Discontinue Notice The Noritz SS-HBC-1 has been discontinued from the Noritz line Order Replacement Cartridge However, if you already own...

Residential Remotes RC-7651M, RC-7651M-A and the Commercial Remote RC-9018M feature the ability to display set temperatures in either F (default)...