Rinnai RL94eN Natural Gas Tankless Water Heater

If you are searching for a gas fired tankless water heater then the Rinnai water heaters are very popular among general people for its excellent performance, simple installation, highly useful for serving hot water and sleek compact designing. You will get this Rinnai RL94eN Natural Gas Tankless Water Heater in attractive colors most likely in silver color. The manual book of this system is straightforward to understand so that anyone can fix it for outdoor usage. It will give 9.4 Gallons per Minute which is exceptionally high. The capacity of GPM is very high to solve the problem of hot water in large families. It will be more comfortable for the multiple users to run the hot water fixtures like faucets, showers and many other parts to get the water. Rinnai RL94eN can serve non fluctuating hot water without any interruption in almost 5 plumbing outlets at a single time. It is highly beneficial for Northern and cold climatic regions as it efficiently regulates ground level water temperature in 30 degrees Fahrenheit.

Rinnai RL94eN Natural Gas Tankless Water Heater, 9.4 Gallons Per Minute - Outdoor

Key Features:

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    This unit use only 9,900 – 199,000 BTU.
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    This unique tank less water heater unit comes with a standard MC-91-1US Digital Controller and Error Code Indicator.
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    It has 83 percent Thermal Efficiency.
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    In case of temperature control system the residential Temperature Settings from 98°F to 140°F. And the commercial Temperature Settings from 98°F to 185°F but have to purchase commercial controller.

The input of gas:

The gas input of this fantastic water heater ranges from 9,900 to 199,000 BTU. On the other hand, this dynamic thermal efficiency is 83 percent. Thus you can rely on this water heater at any time of the day.

User-friendly temperature adjustments:

This Rinnai RL94eN comes with digital controller display, and it helps the user to adjust the temperature without any hassles. It is so user-friendly that it always follows the user instructions regarding use and performance. The residential temperature setting goes from 98 degrees Fahrenheit to 140 degrees Fahrenheit. Again the commercial temperature settings are from 98 degrees Fahrenheit to 185 degrees Fahrenheit.

Innovative and advanced digital control system:

The Rinnai water heater has a MC-91-1US digital controller and an error code indicator. Both the controller and code indicator detects if there is something wrong and solves it by its technical way. It will provide knowledge and signal you about the water heater before any severe damage may occur.

Best unit to save the energy for environmental reasons:

The model saves up to 40 percent on the cost of energy. As a result, this unit of tank-less water heater takes less energy to operate. Therefore it helps to cut the bills and gives the opportunity to others to use the energy. It surely does not emit harmful chemicals and substances from its outdoor use.

Rinnai RL94eN Natural Gas Tankless Water Heater

The constant and steady flow of hot water:

Rinnai RL94eN is the perfect hot water solution for indoor and outdoor usage. The water heater is capable of supplying steady and constant flow of hot water. The outdoor supply of hot water is also very steady whether it is for ten minutes shower or long hours of heavy usage. You can notice that the temperature of water remains same even running of five plumbing appliances.

Compact design and space-saving unit:

It is another definite and colossal plus point for this Rinnai RL94eN outdoor tankless water heater. As it installed outdoor, you can still use and enjoy the endless stream of hot water supply. For this model, space is not a limiting factor. The item weight is compact and space saving of only 46 pounds.

The durability of this unit:

The user will get the 12-year warranty on the heat exchanger, 5 years on parts and 1-year labor warranty for residential application. The installation terms guarantee its durability.

Others Gas tankless outdoor water heater and electric tank less water heater you can buy:


  • Energy Star certifies the outdoor water heater.
  • The unit has authorized for the federal tax credit.
  • The user will be able to save bills and cut the cost of bills as the water heater saves the high amount of energy.
  • This Rinnai RL94eN use only 120 volts which available in regular home power setting circuit.
  • The warranty system is tremendous for extended period utilization.
  • The temperature will remain consistent instructed by the user without any fluctuations in hot water flow.
  • It comes with cool touch pad for changing the temperature.

Cons with solution:

  • This Rinnai RL94eN tank less water heater is used for only large families and heavy use.
    For small families, it can be used and systematized in the place of usage. You can buy this model for small, medium or large family usage as it serves the huge quantity of hot water with effective warranty system and durability.
  • You may find the calibration process confusing.
    During restart of the device the calibration process takes place, and it takes a few minutes to empty the stored water inside the system.

Frequently asked questions

Q: Does this unit provides the isolator values? Do I have to buy any more parts, pieces or accessories to install and use this device water heater?

Answer: Of course you will get the essential parts and accessories for fixation like the isolator valves. For indoors installation, you have to get the vents. The valves and hookups are also to be bought.

Q: What are the reasons for warranty voids?

Answer: It is better to get the water heater of Rinnai from authorized dealers and sellers in the market. For plumbing, it is compulsory to be professional. It mentioned in the warranty files and terms and conditions about the reasons for void issues.

Q: I have purchased a big house can I install this fantastic Rinnai outdoor tankless water heater?

Answer: I think it will be better to use the recirculation pump for indoor usage. The speed of hot water will surely satisfy you. So you can rely entirely on this water heater for the entire family and large houses.


The Rinnai RL94eN outdoor gas tank-less water heater is WiFi capable. The controller and settings are digital for considering the user-friendly of the device. The customer ratings are 4 stars out of 5 stars. It will provide you hot water 24/7 as well as 365 days. This Rinnai RL94eN Natural Gas Tankless Water Heater will be helpful for long showers and commercial purpose. The device takes the gas pressure swiftly and smoothly for quick and ease of operation. You will find many other water heaters available in the market, but it is hard to see the performance, goodwill, and reputation like Rinnai water heaters. The water heater had higher GPM, energy efficiency, durability and backed with the great warranty plan.

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