Rinnai Tankless Water Heater Review

Rinnai Tankless Water Heater Review

Rinnai Tankless Water Heater: QUICK OVERVIEW


​Ease of use



What We Like

  • ​Wastes less energy
  • ​Less spending on heating hot water
  • ​More efficient
  • ​Thermal efficient
  • ​Space saving design
  • ​Provide hot water to multiple bathrooms at one time
  • ​Digital display
  • ​Gas control
  • ​Power button
  • ​2 venting options
  • ​Temperature button can be locked
  • ​Energy star rated
  • ​Best warranty options
  • ​Can be converted to propane
  • ​Best for large homes
  • ​Last up to 20 years

What We Don't Like

  • ​Bulky
  • ​Difficult to install
  • ​Poor customer service
  • ​Regular maintenance required
  • ​Take few seconds to heat
  • ​Water Vapor in winters

Whether it is commercial or residential, a water heater is a must and we have been using water heaters with the help of a storage tank since long. This process can also be done without a storage tank which in turn reduces the cost of the storage tank and also is considered as more efficient. So when we talk about the tankless water heater, we also go through a lot of questions regarding its safety, cost, efficiency and many more. So today in this article, Rinnai tankless water heater review, we will provide you with the information regarding one of the best water heaters.

Rinnai is a renowned brand and famous for its variety of water heaters and one of the best heaters is Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe. This system does come with multiple venting options and uses both propane and natural gas.

The Rinnai RUC98iN flammable gas tank less water radiator is a stunning unit for any home. With its best in class innovation, you will spend fundamentally less on power bills. In addition, the plan of Rinnai RUC98iN is smooth and minimal; that makes it simple to discover a spot for it. You can install it at any place in your home. It does come with a digital screen and a power button.

Rinnai tankless water heater weighs about 38 kg and has a voltage of approx. 120 volts and has a water consumption of 9.8 gallons. It is 95% thermal efficiency and has set its temperature for residential and commercial. As for residential, it varies from 98 degrees F to 140 degrees F and for commercial it is 98 degrees F to 185 degrees F.

Who is this Product for?

Rinnai tankless water heater is a requirement for every bathroom, as it is used to heat the water efficiently and quickly. And in turn, it saves energy and cost.

What’s Included?

This package only includes a water heater which weighs around 38 kg and its dimensions are 10 x 18.5 x 26 inches and come with a warranty for the heat exchanger, labor and parts.

Overview of Features

Rinnai Tankless Water Heater Reviews

An indoor tank less water radiator which utilizes either gas or propane has two models: residential and commercial and also Two venting alternatives: twin pipe PVC or concentric. It Incorporates heated water temperature control and can warm up water from 95 to 140 degrees Fahrenheit. It provides Greater outlets and channels; more power as well. The Min to max gas consuming rate fluctuates from 15,200 to 199,000 BTU and a wide high temp water stream rate range; from 0.26 to 9.8 gallons every moment; the base rate is as meager as 0.4 gallons every moment and to prevent unauthorized access, there is a button also through which temperature can be locked.

How to use Rinnai Tank less water heater

Tankless water heaters heat water in a straightforward manner without the utilization of a capacity tank. At the point when a tap is opened for boiling water, cool water goes through a pipe into the unit. Either a gas burner or an electric component warms the water. Therefore, tankless water warmers convey a consistent supply of boiling water.


If not satisfied with the Rinnai RUR98iN model, you can try the other option also which is Rinnai RL94eN as it weighs less and if you have less bathroom space, this will be definitely the best option.

Final Verdict

To draw a conclusion on Rinnai tankless water heater after mentioning all the pros and cons in Rinnai tankless water heater review, we would suggest going for this, as it is one of the best and most powerful water heaters. This water heater can last for years sufficing all your needs for your multiple bathrooms.

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