Titan SCR-2 N-120 Tankless Water Heater Review

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Niagara Industries Inc. was founded in 1985 as is headquartered in Miami, Florida.

Niagara Industries Inc. was the first to manufacture an electronic tankless water heater in the US and since then, it has established its place as one of the leading manufacturers and innovators in the field of tankless water heating.

The Titan SCR-2 Electronic Digital Tankless Water Heater is a highly reliable and efficient water heater. It incorporates new space age technology that drastically reduces temperature fluctuations and prevents dry starts.

It reduces heating costs by up to 60% than storage tank heaters and is ideal for a wide range of applications.

Key Product Specifications

Titan SCR2 N-120 Electric Tankless Water Heater 220 Volts

Titan SCR-2 N-120 tankless water heater has a dedicated digital microprocessor that can sample temperature at the speed of 21 times per second accurately.

This results in faster stabilization of the water temperature and increases efficiency. Titan SCR-2 N-120 has an efficiency of 99.5%.

It also features a thermostat that can be reset manually and an air/water deferential analyzing system that prevents dry starts. When at rest, this tankless water heater draws no power at all.

The heating elements are shielded with a copper and brass casing which allows the product to be used in places where only hard water is available. It also has higher levels of tolerance and resistance to corrosive materials.

N-120 is capable of providing a maximum output flow rate of 4 GPM. At this flow rate, it is capable of producing a temperature rise of 24˚F in the water. As the temperature rise to be produced increases, the flow rate decreases.

Here is a table explaining how it varies – 

Temperature rise (˚F) Output flow rate (GPM)
95 1
64 1.5
48 2
38 2.5
32 3
28 3.5
24 4

The other key specifications of the product are listed below.

  • Dimensions – 7″ W x 10″ H x 2-¾” D
  • Weight – 8 pounds
  • Pipe fitting – ½” Standard pipe
  • Heating elements – Dual copper/ Nichrome
  • Minimum pressure – 5 psi
  • Maximum pressure – 150 psi
  • Voltage – 220 V AC
  • Maximum power – 11.8 kW
  • Maximum current – 54 A
  • Activation flow rate
    On – 0.4 GPM
    Off – 0.3 GPM


The installation of this product is uncomplicated and can be completed quickly. This is mainly due to the fact that it an electric model that requires no venting and also due to its compact and light build.

The installation is meant to be done by a licensed electrician and plumber.

Choose an installation location that is equidistant from all the hot water fixtures. During installation and mounting, ensure that all components are handled carefully to avoid any permanent damage to the heater parts.

The electrical and plumbing connection must be carried out in accordance with the local and national codes. It is mandatory to use 32″ copper pipes at the water inlet and outlet of the heater if plastic pipes are being used.

A pressure relief valve has to be fixed as well.

The user must hire a trained and experienced professional for this purpose. In case of any questions regarding installation, send an e-mail to [email protected] for assistance.


The manufacturer provides limited warranty service for all the tankless waters. The warranty services cover the copper and brass casing as well as the other parts of the heater.

The user can apply for warranty for the casings for a maximum of 10 years from the purchase date. However, the warranty for other parts is applicable for only 1 year.

Limitation of Warranty

  • While purchasing, the user agrees that the manufacturer or the distributor does not guarantee a completely leak-proof performance of the water heater. The service period of the water heater depends on the quality of water and installation.
  • The manufacturer is not liable for any damages that occur to the product that are incidental, consequential, special or contingent. The manufacturer will not be held accountable for any structural damages that happen to the product during its use.
  • The warranty service covers the repair or replacement of the parts secured under this service for the limited time period. If the user does not agree to the conditions, he/she is requested to return the product to the place of purchase for a full refund.

To avail the warranty services, contact the company online or the address 2540 N.W. 38 Ct, Miami FL 33142. Users can also place a call to 305.876.9010 or send an email to [email protected] for details regarding warranty.

Care and Maintenance

Titan water heaters are easy to maintain because of the materials used to build the heaters.

The SCR-2 N-120 tankless water heater is highly tolerant of galvanic corrosion and corrosion due to the minerals in the water.

However, In the event of extreme mineral build-up in the pipes of the heater, some resistance to water flow may arise.

To prevent this, flushing can be done as in any other tankless water heater. The user can flush the heater after draining it.

The Titan SCR-2 N120 tankless water heater can be fitted with drain pans or similar components in the unlikely event of a leak.

A better method to ensure no damage to the heater and its surrounding would be to install a leak detector and corresponding shut-off mechanisms to the heater.

Owing to its small size and corrosion-resistance capabilities, the maintenance procedures for this heater is uncomplicated.

To ensure proper maintenance and additional recommendations to improve the performance of the product, consult a trained professional installer or write to [email protected]


Consumer Comments

Customers have named it a reliable and efficient water heater. The users are very satisfied with the unlimited amount of hot water it provides.

Not only does it produce endless hot water, but the temperature fluctuations are also very low compared to other electric tankless water heaters.

Customers who have used this product are replacing it with the same type after its service life due to its reliability. This product is widely available in the southern US states and works wonderfully in this region.

Users have been able to use multiple applications at the same time with this tankless water heater. Its small size has allowed for its installation at any point in a household.

The resettable thermostat allows the user to control the hot water temperature so that the water does not come out too hot.

Customers who were not satisfied with the product and have tried to return the product to its supplier have experienced hassle-free refunds. This product works well in warmer regions as the output flow rate is much higher than when used in cold climates.




  • Helps save energy and money on heating bills. It also helps in conserving water by reducing the wait time for hot water.
  • Economic operation as it draws less amount of electricity to heat water.
  • Its small size makes it easy to install in small spaces. It can also be used for point-of-use applications in colder regions.
  • This water heater is capable of preventing over-heating of water and temperature fluctuations.
  • It has a great amount of tolerance to corrosion due to high mineral levels in water and galvanic corrosion.
  • It is extremely secure and safe.


  • The warranty period is 10 years for the casing but is only 1 year for other parts of the heater.
  • In cold regions, if the heater is used for whole-house hot water supply, the heater takes some time until the water reaches the desired temperature.
  • It has a slightly higher price than other tankless heaters with similar flow rates. However, the features that are present in this product makes it worth the price.



Our Recommendation

The Titan SCR-2 N-120 digital electric tankless water heater with its exceptional reliability and performance is one of the best choices for heating water in places with moderate temperature. It is capable of supplying endless hot water to multiple fixtures.

This product is a little expensive compared to other companies’ tankless water heaters but, its performance, efficiency, and unique features make it definitely worth the money.

We would recommend this product tor use in the southern parts of the US within a heartbeat.

All this being said, if you are living in a cold region, we would suggest you review other electric tankless water heaters as well before proceeding to purchase this product.


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What is its Life Expectancy?

The product can be used for 10 to 20 years depending on the quality of installation, usage, and maintenance. The water quality also plays a part in how long the water heater can be used.

What is the Temperature of the Outlet Water?

The digital control allows the user to set the temperature of the outlet water. However, depending on the output flow rate, there is a minimum temperature rise that it can produce.

Is it Single Phase or 3 Phase?

It works on 220 V single-phase AC.


The Titan SCR-2 N-120 is a digital electric tankless water heater with an energy efficiency of 99.8%. It has various unique features such as a manually resettable thermostat, corrosion-tolerant casings, and temperature stability.

It is also capable of providing a maximum flow rate of 4 GPM that can supply multiple fixtures simultaneously.

This is a reliable product that if used properly gives out its optimal performance throughout its service life. It is an ideal choice for households in the southern US states.


Last update on 2022-12-01 / Affiliate links / Images from Amazon Product Advertising API

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