12 best noritz natural gas water heaters

Noritz is a reputable manufacturer of natural gas water heaters, specializing in tankless water heating systems. Here is what you should know about Noritz natural gas water heaters:

Tankless Water Heaters: Noritz primarily produces tankless water heaters, also known as on-demand or instantaneous water heaters. These units heat water as it flows through the system, providing hot water on demand without the need for a storage tank.
Energy Efficiency: Noritz natural gas tankless water heaters are known for their energy efficiency. They only heat water when it's needed, which can result in significant energy savings compared to traditional tank-style water heaters that constantly maintain a tank of hot water.
Natural Gas Fuel: Noritz water heaters are designed to be powered by natural gas. Natural gas is a cost-effective and efficient fuel source for heating water, making these units an environmentally friendly choice.
Endless Hot Water: Tankless water heaters like those produced by Noritz can provide endless hot water because they are not limited by the size of a storage tank. This is particularly beneficial for homes with high hot water demand.
Variety of Models: Noritz offers a range of natural gas tankless water heater models with varying capacities to suit different household sizes and hot water needs.They also produce both indoor and outdoor models.
Compact Design: Noritz tankless water heaters have a compact design, saving space compared to traditional tank-style water heaters. This can be advantageous, especially in smaller homes or utility rooms.
Advanced Technology: Noritz incorporates advanced technology and features into their water heaters, including digital controls, safety features, and diagnostics to ensure efficient and safe operation.
Installation and Maintenance: Proper installation by a qualified technician is crucial for the performance and longevity of Noritz water heaters. Regular maintenance is also recommended to keep the unit in optimal condition.
Warranty: Noritz typically offers warranties on their water heaters, which can vary depending on the model and the region. It's essential to understand the warranty terms and conditions when purchasing a unit.
Availability: Noritz natural gas water heaters are available through plumbing supply stores, home improvement retailers, and authorized dealers.

In summary, Noritz natural gas tankless water heaters are known for their energy efficiency, endless hot water supply, and space-saving design. They are a popular choice for homeowners looking to upgrade their water heating systems to a more efficient and convenient option. However, it's essential to consider the specific model and capacity that best fits your household's hot water needs and consult with a professional for proper installation.

Below you can find our editor's choice of the best noritz natural gas water heaters on the market

Noritz NRC66DVNG Indoor Condensing Direct Tankless Hot Water Heater, 6.6 GPM - Natural Gas

Noritz

Based on 76 reviews Check latest price

Product description

The NORITZ NRC66DV is a fully condensing tankless water heater with an advanced heat exchanger design and built-in controller. With flow rates up to 6.5 gallons per minute the NRC66DV delivers the highest flow rates in its category and can be vented using 3" Schedule 40/80 PVC, PP or CPVC. Various adapters and terminations are available to allow for a wide array of venting options. This unit ships complete with a 6' power cord. IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately. Common companion items include rain cap (PRC-1), atmospheric conversion kit (SVCK-3) and horizontal termination/intake PVT-HL.

From the Manufacturer

Indoor tankless water heater up to 6.5 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the leader in energy savings and superior hot water delivery today. Our goal is to empower you with the highest quality products available at superior value.

Endless hot water
Can be vented with Schedule 40 PVC Pipe and Fitting
High Efficiency
Low Nox
Remote thermostat & 6' power cord included

User questions & answers

Question:	Is the water temperature regularated at the showers' manifold or at the tankless heater
Answer:	Both. The maximum temperature is regulated at the tankless heater. You control the shower temperature the the shower controls by mixing in cold water to the hot
Question:	Any problems installing over a clothes washer?, it's in a garage on an outside wall (10ft high
Answer:	Should be no problem, since it is high efficiency, just vent both directly outside with pvc and a screened downed turned elbow, they are already the proper distance apart for min clearances of each other. Exhaust needs to be min of 8" from window or door.
Question:	What is the ef on this product? looking to get one with 0.90 ef or better. i did see it is energy start
Answer:	1.0
Question:	Is 6.6 gpm adequate for showers
Answer:	Should be more than adequate for multiple simultaneous showers (depends on type of shower head, temperature you like the water, etc.). I often shower while the washing machine is running with no problems. This unit has performed well for us.....hopefully it will be durable as well (in service about 7 Mos so far).

Noritz NRC71ODNG Outdoor Condensing Tankless Water Heater, 7.1 GPM - Natural Gas

Based on 7 reviews Check latest price

Product description

The NORITZ NRC71OD is a fully condensing outdoor tankless water heater with an advanced heat exchanger design and built-in controller. With flow rates up to 7.1 gallons per minute the NRC71 delivers the highest flow rates in its category. IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately. Common companion item is pipe cover shroud, PC-1S

From the Manufacturer

Outdoor condensing tankless water heater up to 7.1 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the leader in energy savings and superior hot water delivery today. Our goal is to empower you with the highest quality products available at superior value.

Package Dimensions: 25.4 L x 63.5H x42.545W(centimeters)
Package Weight : 22.226 kilograms
Country of Origin: China
Product Type: Plumbing Fixture
Direct Ignition No Standby Pilot Light. Thermal Fuse Automatic Overheat Protection System

User questions & answers

Question:	Hi, For how many showers is this product
Answer:	You can go on noritz.com and you can get all specs on this unit. This is a great unit. My unit handles 4 showers no problem.. Hope this helps..
Question:	Do I need a remote for this unit
Answer:	No, unless you want to set the water temp lower than the standard 120 degrees (higher temps may be set on the unit).
Question:	how does this unit vent
Answer:	It vents through the slot near the top. This is the exterior model and does not have the duct connection of the interior model.
Question:	Can it be mounted in a 2 car garage, and allowed to vent in there
Answer:	No, but the indoor model has a duct connection to vent exhaust to a safe place (outside).

Noritz NRC111-DV NG Condensing Tankless 8.4 GPM Natural Gas Water Heater

Noritz

Based on 6 reviews Check latest price

Product description

Noritz is proud to introduce their most efficient tankless heaters, the next generation in tankless technology - condensing heaters. This innovation utilizes a dual heat exchanger, a fusion of stainless steel and copper heat exchangers. The 100% stainless steel component captures the residual heat from the exhaust temperature to preheat the incoming water before it runs through the main copper heat exchanger. This results in dramatic reduction of carbon dioxide and increases the heater's efficiency level to over 93%!

Super efficient tankless condensing heater
199,900 BTU, .05 GPM activation flow rate
Self-diagnostic onboard computer system
Dramatic reduction of carbon dioxide increases heater's efficiency level to 93%
Fusion of stainless steel and copper heat exchangers

User questions & answers

Question:	is it CSA approved, stamped / sticker right on the product
Answer:	The product is CSA approved and is marked to show the approval. The approval details are also included in the owners manuals and spec sheets.
Question:	Is there a wireless controller for this uni
Answer:	Hi . No this has a wired controller.

Noritz NCC300ODNG Commercial Condensing Outdoor Tankless Water Heater, 300,000 Btuh, 13.2 GPM - Natural Gas

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Product description

The NORITZ NCC300 is a State of the Art fully modulating Commercial tankless water heater with the highest efficiency and output in its class. This unit features a primary heat exchanger made of K-Copper (25% thicker than competitive models) and a secondary heat exchanger produced from Austenite Stainless Steel. The NCC300 indoor model may be vented using CPVC, PP or Schedule 40 PVC and is Wi-Fi compatible . The IK-WV-300-1-XX-LF Valve Kit, required for installation, is sold separately.

Flow rates up to 13.2 GPM
Commercial grade heat exchangers
Wi Fi Capable
Link two units with QC-2, Quick Connect Cord
Link up to 24 units with appropriate system controller

Noritz EZTR40 Natural Gas 40-Gallon Tank Replacement Tankless Water Heater, 6.6 GPM

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Product description

EZTR40' - Easy To Replace 40. Noritz has changed the game with the new EZTR40. Finally a direct tankless replacement for a 40 and sometimes 50 gallon tank that can be installed in the same time as a tank type water heater is now available. The timing could not be better with the upcoming NAECA regulations changing the dimensions of traditional tanks. Retro fit of those tanks has been made EZ by our new top mount water connections, 1/2 gas line, and most of all the ability to vent directly through the existing 3" or 4" round B-Vent.

The EZTR vents with flexible vent directly through existing B-Vent with no need to spend time changing existing vent. Water connections are on the top of the heater so now you can use flex lines direct from the top like a tank. 1/2 inch gas line connection to existing line saves time and money. EZ tank replacement the way you always wanted it to be.

The greater affordability of the EZTR40 is due to several important factors. One is that this new product permits the use of the very same half-inch gas line that now services your tank-type heater. Not having to run a new gas line is a major cost savings. Your installer will simply disconnect the gas line from the old unit and, after it is removed and the new tankless hung in place, reattach the line to the EZTR40.

Until recently, it was thought that replacing a tank water heater with a tankless unit automatically required upsizing from a half-inch gas line to a three-quarter-inch line, because of the additional fuel required by the larger, more powerful burner inside the tankless unit. This more powerful burner is needed to immediately raise the temperature of the cold water entering the tankless unit to the desired level for washing, cleaning and cooking. Remember, with tankless, there is no storage of hot water: the water temperature must go from cold to hot in an instant.

'EZTR40' - Easy To Replace 40
Can be installed in the same time it takes to install a tank type water heater
Flow rates from 0.5 gpm up to 6.6 gpm
N-FlexKit (included) is designed for installation inside of existing water heater venting
0.91 energy factor; Gas consumption: 15,000 BTUh to 120,000 BTUh

Noritz NCC199CDV-NG Noritz GQ-C3259WZ-FF US NG 11.1 GPM 199900 BTU 120 Volt Commercial Natural Gas Tankless Water Heater with Direct Vent Exhaust

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Product description

New, common-vent-capable NCC199CDV has a maximum input of 199,900 BTUs per hour and can be combined with up to 23 other units to enhance installation flexibility and reliable performance. It has an industry-leading ENERGY STAR certified thermal efficiency of 98 percent. Specifications: Width: 18-1/2" Height: 28-5/16" Depth: 12-13/16" Product Weight: 81 Fuel Type: Gas Gas Type: Liquid Propane Gas Connection: 3/4" Water Connection: 3/4" Water Pressure (Min): 15 psi Water Pressure (Max): 150 psi Temperature (Min): 100° F Temperature (Max): 185° F Voltage: 120V Frequency: 60 Amperage: 2.55

Noritz NRCP982DVNG Condensing Tankless Water Heater 11.1 GPM with integral pump -Natural Gas

Based on 1 reviews Check latest price

Product description

The NRCP982DV is a residential condensing tankless water heater with a built-in circulating pump for both internal and external recirculation. With flow rates up to 9.8 gallons per minute this unit delivers best in class hot water production, while minimizing temperature swings and pressure loss. NRCP series heaters ship complete with temperature controls and 6' power cord. They can be vented using 2" Schedule 40 PVC/CPVC. Various adapters and terminations are available to allow for a wide array of venting options.

From the Manufacturer

Noritz NRCP series heaters offer the latest cutting edge technology in tankless water heaters. The NRCP982 is an indoor condensing tankless water heater that can produce up to 9.8 gallons of hot water per minute. It features and internal pump that provides hot water faster in both recirculating and non-re-circulating applications. This unit is equipped with heavy duty 304 stainless steel heat exchanger for superior thermal transfer as well as excellent resistance to scale formation. Noritz NRCP series heaters can be vented using 2" schedule 40 PVC pipe and operate with as little as 3.5" water column on the incoming gas line. These features contribute to a relatively low installation cost. All brought to you by Noritz America, the World's largest producer of tankless water heaters.

2” PVC, CPVC, PP Venting Options
Common Venting Capability
Heat Exchanger manufactured from commercial grade copper, 25% thicker piping than standard models
Customizable Internal & External Recirculation
Gas & Water Leak Detection

Noritz NR83DVCNG Residential Indoor Concentric Vent Hot, max. 180,000 Btuh, 8.3 Gpm-Natural Gas Tankless Water Heater, White

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Product description

The NORITZ NR83DVC is one of our best selling residential tankless water heaters for indoor applications. This heater is built around a Commercial Grade Copper heat exchanger that is 25% thicker than competitive models. Its direct vent technology is designed for indoor applications where an insufficient quantity of combustion air is available. This includes attics where closed cell foam has been applied, or closets where combustion air is limited. Utilizing concentric (double wall) venting, DVC series heaters pull their combustion air through the outer sleeve while pushing exhaust gases out the inner sleeve minimizing roof, or wall penetrations. What's more, by utilizing a quick connect cable, you can link two heaters together for increased capacity and redundancy. IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately. NORITZ N-Vent concentric Venting is also sold separately. Controller and six foot power cord included.

Endless hot water
Heat Exchanger - manufactured with commercial grade copper, 25% thicker piping than standard models
Link two units with QC-2, Quick Connect Cord
max 180,000 Btuh
8.3 Gpm
For use with Natural Gas

10.1 GPM Natural Gas Indoor Direct Vent Recirculating Tankless Water Heater Max 180 000 BTU/H

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Product description

Features: Gas consumption ranges from 18000 to 180000 per hour Flow rates range from 0.5 GPM up to 10.1 GPM Designed to be installed indoors only Compact design with durable steel casing and polyester coating Direct electronic ignition Unit is covered for 1 year of reasonable labor, 5 years limited parts, and 12 years on the heat exchanger Specifications: Width: 17-5/16" Height: 28-11/16" Depth: 14-13/16" Fuel Type: Natural Gas Gas Connection: 3/4" Water Connection: 3/4" Water Pressure (Min): 15 Water Pressure (Max): 150 Temperature (Min): 100°F Temperature (Max): 140°F Voltage: 120V Amperage: 0.3A

Noritz NR98DVCNG Indoor Concentric Vent Tankless Hot Water Heater, max. 199,900 Btuh, 9.8 GPM - Natural Gas

Based on 1 reviews Check latest price

Product description

The NORITZ NR98DVC is one of our best selling residential tankless water heaters for indoor applications. This heater is built around a Commercial Grade Copper heat exchanger that is 25% thicker than competitive models. Its direct vent technology is designed for indoor applications where an insufficient quantity of combustion air is available. This includes attics where closed cell foam has been applied, or closets where combustion air is limited. Utilizing concentric (double wall) venting, DVC series heaters pull their combustion air through the outer sleeve while pushing exhaust gases out the inner sleeve. What's more, by utilizing a quick connect cable, you can link two heaters together for increased capacity and redundancy. IK-WV-200-1-XX-LF valve kit (required for installation) is sold separately. NORITZ N-Vent concentric Venting is also sold separately. Controller and six foot power cord included.

From the Manufacturer

Indoor tankless water heater, direct vent concentric, Flows up to 9.8 gallons per minute. Noritz has been an innovator in the water heating industry for over 60 years. We introduced the first modern, electronically controlled tankless water heater in 1981 and we remain the leader in energy savings and superior hot water delivery today. Our goal is to empower you with the highest quality products available at superior value.

Flow rates up to 9.8 GPM
Heat Exchanger - manufactured with commercial grade copper, 25% thicker piping than standard models
Link two units with QC-2, Quick Connect Cord
Remote thermostat & 6' power cord included
Endless hot water
Ideal sealed spaces where little, or poor quality combustion air is availble. Use Cat. III Concentric Vent Pipe
High Efficiency
Low Nox design

Noritz NCC199-DV NG Direct Vent Condensing Tankless Natural Gas Water Heater, 8.4 GPM

Based on 4 reviews Check latest price

Product description

Nortiz's most efficient tankless water heater. The next generation of tankless technology - condensing heaters. This innovation utilizes a dual heat exchanger, a fusion of stainless steel and copper heat exchangers. The 100% stainless steel component captures the residual heat from the exhaust temperature to preheat the incoming water before it runs through the main copper heat exchanger. This results in dramatic reduction of carbon dioxide and increases the heater's efficiency level to over 93%! Another benefit of this technology is lower exhaust temperatures, which means less costly PVC can be used for its venting.