Rinnai RUR98iN Review

The Rinnai RUR98iN Review4Tankless water heaters have really made life easier. Instead of the traditional way of heating a whole standby tank that you won’t even use in half, you get to heat just what you need in a short time. The whole idea of skyrocketing bills is not only forgotten but majorly resented. However, not everyone has already caught up with this incredible innovation. Many are on the shift phase and because of that, I am writing this thorough review of the Rinnai RUR98iN 9.8 Max GPM Ultra Series, which is a Condensing Indoor Natural Gas Tankless Water Heater so you can see more options for your choice.

Rinnai RUR98iN tankless water heater weighs 81.6 and measures 12.5’’ by 10’’ by 26’’. This tankless water heater has a flow rate of 9.8gallons per minute which is plenty of water supply. It is also a dual ventilation system and hence can condition your home. It is ideal for homes due to its easy installation with plenty accessories.


The Rinnai RUR98iN Review2
Check the price
Read Customer Reviews »

-A flow rate of 9.8 gallons per minute
-Measures 12.5’’ by 10’’ by 26’’
-Weighs 81.6 pounds
-Uses natural gas
-Indoor usage
-Built-in circulation pump
-Thermal bypass technology
-Wi-Fi capability
-Efficiency rating of 0.96%
-Electronic ignition system
-Internal by-pass pipe for internal “recirculation”
-MC-195T remote controller
-Isolation valves
-Residential warranty of 12 years on heat exchanger, 5years on parts and an optional 5 years on labor.
-Commercial warranty of 5years on heat exchanger, 5 years on parts, I year on labor and an optional 2 years more on labor.


The Rinnai RUR98iN Review

  • It works quietly
  • Doesn’t need expansion parts
  • The streamflow is consistent as commanded and doesn’t compromise temperature setting.
  • Anyone can DIY the installation upon following the manual.
  • Needs concentric venting but PVC pipes can also be used which is really flexible.
  • Energy star rating by 0.96 efficiency rate that clearly reflects in the low monthly bills.
  • Saves space in addition to its efficiency.
  • Includes control buttons that are super easy to navigate.
  • Faster flow of hot water is provided by an integrated recirculation pump and internal bypass line with or without a dedicated return line
  • Has a screen display of a variety of factors
  • It can change in flow rate if modifications are made in the system, which is super convenient.
  • Every part of the Rinnai RUR98iN water heater is replaceable.
  • Comes in customizable multiple sizes.-It is eco-friendly.
  • The Rinnai customer care is so supportive.


  • A professional may be required for the installation.
  • Venting is required for installation yet its kit is not provided
  • Quite pricey
  • Not ideal for a small family

Customer Satisfaction

The Rinnai RUR98iN Review3

The best part about Rinnai RUR98iN is its existence of two models that can fit in different setups. The standard model has enough water supply with a reasonable temperature maximum that will serve a home perfectly. Same with the commercial model which contains its specific calibrations to suit commercial water heating needs. Many families worry about the toxicity of the pumping system. Rinnai RUR98iN tankless water is built to be eco-friendly. The installation is also so easy for even a novice and if one has any inquiries, they can call the customer support who are really professional and helpful. However, all a customer needs is the manual for directions on how to do everything. Apart from the efficiency of the Rinnai RUR98iN water heater, this unit can ventilate a home as well which is a plus feature absent in other tankless heaters. When anyone is looking for a tankless water heater, their hope is that they’ll reduce electricity costs as well as get plenty of water at any temperature, anytime. Many customers have left a review that states how satisfied with the results they achieved. However, those whose machines failed were mostly compensated if the cause was the machine’s defect. After all, even the greatest masterpieces can be flawed. As for the price factor, Rinnai RUR98iN tankless water heater is a little bit on the high end. However, customers who have used it say it’s more than worth the price.

Common Questions Asked

The Rinnai RUR98iN Review4

1.What else is needed to install Rinnai RUR98iN tankless water heater?
A valve kit, correct gas pipe sizing and venting which is in accordance with your local plumbing codes.
2.Can I install this myself?
Yes. An installation manual comes with the unit. However, it is recommended that you hire a professional.
3.Will the warranty be voided if the unit is not installed by a licensed professional?
Yes. The warranty is only applicable if your unit gets installed, inspected and leak tested by a licensed installer.
4.Is this unit noisy?
No. This unit works quietly with a slight humming noise in the recirculation system. Even that can be done away with by rubber standoffs.

Final Verdict

The Rinnai RUR98iN Review2
Check the price
Read Customer Reviews »

A large family which needs a tankless water heater will be wise to choose Rinnai RUR98iN Ultra Series Condensing Indoor Natural Gas Tankless Water Heater. They’ll be sure that they are maximizing the benefits of this heater without raising the bills. The price could seem high at first but upon installation, you’ll live to thank your decision for it will save you much more money. However, it is quite clear that a small home won’t maximize the benefits this heater offers as much. Using this heater in small scale would be close to not saving. In a nutshell, this is a high quality, compact and efficient heater that is ideal for large-scale uses.

Review Date
Reviewed Item
The Rinnai RUR98iN
Author Rating