Noritz NRCP 
Tankless Water Heaters 
Review and Buying Tips

A review of the Noritz NRCP series of tankless and condensing water heaters for ultra-efficient domestic water heating and fast, hot water delivery.

The NRCP series is the most advanced group from this manufacturer, known as the ecoTOUGH, and is built for indoor use in large homes and small commercial applications with high hot water demand. It is recommended for homeowners who would like to have better control of water usage.

Noritz NRCP tankless water heaters are designed as direct vent indoor models for on-demand water heating, supplying up to 4-bath homes with continuous and endless water flow. Smart built-in technology can memorize your family water usage pattern providing hot water fast and when you want it, reducing the wait time and saving water and energy.


NoteProfessional installation and repair are recommended. Find local plumbers and get FREE Quotes!

Models review

Noritz NRCP1112 tankless and condensing water heaterNoritz NRCP1112

Noritz NRCP models are available in two sizes. The NRCP1112-DV comes with the maximum power of 199,900 BTU and high water flow of 11.1 GPM, and NRCP982-DV, another indoor unit, that has a slightly lower power of 180,000 BTU and water flow of 10.1 GPM (both available on Such great features is what makes them ideal for high demanding applications.

Both models come with the superior energy factor (EF) of 0.94, making them ultra-efficient and Energy Star compliant, ensuring excellent savings and low pollution.

NRCP water heaters are mainly used in residential applications such as showers, dishwashing, and washers but can also be used in commercial applications utilizing either natural gas or propane.



The main difference between NRCP and other models is the internal pump that allows the pre-heated water to recirculate through the system, enabling faster water delivery to the fixtures and better user experience and comfort.

Water heaters can work in two recirculation modes, external with the return line and internal that do not require return line while keeping the internal water warm. These appliances cannot be used for space heating, only potable water.

With the recirculation system inside, water is always warm/hot, protecting the system from freezing. If you need a unit for both space and water heating, check out Noritz NRCP combination boilers.

Dual heat exchangers

Both models from the NRCP series are equipped with two heat exchangers, made of heavy-duty stainless steel, protecting the system from high thermal and mechanical stress and scale build-up.

Condensing operation brings significant energy savings, higher efficiency, and flexible vent installation using the PVC and CPVC pipes.

Flexible vent installation

Condensing technology of the NRCP tankless water heaters allows PVC and CPVC vents up to 100 ft., due to the lower temperature of exhaust gases, making the installation easier, faster, and economically reasonable. With the correct conversion kit, water heaters can use single vents (SV) instead of DV.

Fully modulating gas burner

The NRCP series utilizes dual-flame burners capable of generating high-efficient operation with a power of up to 199,900 BTU and steady water temperature.

The modulating gas valve with the Turn Down Ration of over 10 can lower the power from high 199,900 BTU to 18,000 BTU, making it last longer and provide greater savings with the cleaner gas combustion.

Connecting Noritz models

The Quick Connect cable makes the connection of two identical heaters possible, allowing heating more water.

Worry-free ignition

A direct electronic ignition system allows easy and automatic gas ignition of the burner.

Remote control

The programmable remote control is built into the body of the water heater, right in the front panel for easy access. The remote controller is quite big, and due to its simple design, it provides all the necessary features for the high performance: function buttons, temperature settings buttons, LED indicator, and large LCD display screen where you can check the operating status, temperature, and error codes during the failure.

Safety features

  • Flame sensor
  • Overheat protection
  • Freeze protection
  • Exhaust temperature sensor
  • Gas leak detector sensor
  • Water temperature sensor

If you require professional assistance, contact your local water heater expert! Get FREE estimates here


Models/Specs Noritz NRCP1112 Noritz NRCP982
Power (BTU) 18,000-199,900 18,000-180,000
Water flow (GPM) 0.5-11.1 0.5-10.1
max # of baths 4.5 3.5
Water/gas connections (inch) 3/4 3/4
Temperature (F) 100-140 100-140
Energy factor 0.94 0.94
Warranty 12 12

Similar models: Rinnai RUR98 and Takagi T-H3


If you are looking to buy a tankless water heater for your large home and demanding family, get a Noritz NRCP1112 or NRCP982.

They are built strong with quality materials that can provide high water flow rates of up to 11.1 GPM, heat water efficiently with the efficiency of over 90%, and emit less greenhouse gasses. These are some of the most innovative models from this manufacturer that provide hot water almost instantaneously, thanks to the built-in recirculation pump. If there is a problem with the unit, the diagnostics system provides help using the error codes and history of issues.


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