Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater

Rinnai is a well-known brand in the water heating industry, with a reputation for producing high-quality tankless water heaters. The company has been in business for over 100 years and has a strong presence in both the residential and commercial markets.

The Rinnai RL94iN is one of the most popular tankless water heater models from the company, and for good reason. In this post, we will take a closer look at this particular model and why it is an excellent choice for anyone looking for a reliable and efficient water heating solution.

Rinnai RL94iN Review

The Rinnai RL94iN is a high-quality tankless water heater that offers impressive output and efficiency. With its digital controller and easy-to-use design, it’s a great choice for anyone in need of a reliable and efficient water heating solution. Its non-condensing design also makes it an affordable option, particularly in warmer climates. Overall, the RL94iN is a top-performing water heater that is definitely worth considering for anyone looking to upgrade their hot water system.

Technical Specifications

The Rinnai RL94iN is a non-condensing tankless water heater that is designed to provide hot water on demand. It is capable of delivering up to 9.4 gallons of hot water per minute, making it ideal for large households or commercial applications. The unit measures 14 x 23 x 9 inches and weighs around 50 pounds, making it compact enough to be installed in a variety of spaces.

Rinnai RL94iN Review

Hot water is always ready. RL94iN is using ThermaCirc360 technology and can offer faster hot water through an external pump. This is a compact unit that installs on the wall, freeing up more usable areas in your home.

The RL94iN is powered by natural gas and has a maximum input rating of 199,000 BTUs per hour. It has a thermal efficiency rating of 83%, which means that it is able to convert 83% of the energy it consumes into hot water. The unit features electronic ignition and can be vented horizontally or vertically using a 3-inch PVC pipe.

Using the Rinnai RL94iN Tankless Water Heater

One of the best things about the Rinnai RL94iN is how easy it is to use. The unit features a digital controller that allows users to set the desired temperature and monitor the unit’s performance. The controller also features error codes that can help diagnose any problems that may occur.

To use the RL94iN, simply turn on the hot water tap and the unit will automatically ignite and start heating the water. The unit is capable of delivering hot water at a consistent temperature, which means that users won’t experience any fluctuations in water temperature during use.

Why Choose a Non-Condensing Water Heater?

While there are many types of tankless water heaters available on the market, non-condensing units like the Rinnai RL94iN have several advantages. One of the biggest advantages is that they are more affordable than their condensing counterparts. Non-condensing units are also typically easier to install and require less maintenance over time.

Non-condensing tankless water heaters also tend to be more efficient in warmer climates. Because they don’t require the same amount of heat recovery as condensing units, they are able to provide hot water at a lower cost.

Check for Rinnai V65eN model also


The Rinnai RL94iN is a top-of-the-line tankless water heater that is perfect for large households or commercial applications. Its high output and thermal efficiency makes it a reliable and efficient choice for anyone in need of a water heating solution. With easy-to-use controls and a compact design, the RL94iN is a great choice for anyone looking for a quality tankless water heater. And with its non-condensing design, it is an excellent choice for those looking for an affordable and efficient water heating solution.