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Rinnai RU98 - 6.3 GPM at 60° F Rise - 0.92 UEF - Gas Tankless Water Heater - Outdoor
Model:
RU98EN
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Features
Fuel
Natural Gas
Location
Outdoor
# of Showers
3.0
UEF
0.92
Energy Star Certification
Yes
- Compact design saves space.
- The RU98eN is designed to be able to be installed inconspicuously on any exterior wall or compact space, hiding your unit and freeing up valuable space in your home. Rinnai tankless water heaters are perfect for any home.
- Energy-efficient promise that saves you money.
- Tankless water heaters avoid the need to keep a large amount of reserve water heated at all times. This saves energy by only heating water when you need it, while an entirely electric ignition avoids the constantly wasted energy of a standing pilot light.
- Continuous Water for Multiple Applications
- Rinnai tankless water heaters provide an endless supply of hot water that remains uninterrupted, even when you're the last one in line for the shower.
- Product Includes
- (1) Cold Isolation Valve (Color coded: Blue)
- (1) Hot Isolation Valve (Color coded: Red)
- (1) Pressure Relief Valve
- (1) MC-91-2 temperature controller
Rinnai has been delivering nothing but the best for almost 100 years and that award-winning dedication can't help but be noticed in its SE+ Series. The RU98eN and all of the SE+ Series models offer Rinnai's incredibly efficient condensing design line of tankless heaters. Rinnai's SE+ Series models utilize two premium heat exchangers to provide optimal reliability and durability. With a 0.92 Uniform Energy Factor and a sleek, innovative design, the RU98eN is the ultimate option, and is easily maintained thanks to included isolation valves.
California residents see
Warning: This product can expose you to chemicals including Lead which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
RU98EN

General Information
Type
Tankless Water Heater
Product Line
Super High Efficiency Plus (SE+)
Product Sub-line
RU
Medium
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
Hot Water
Fuel Type
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
Natural Gas
Combustion Type
Combustion Type
Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.
Condensing
Vent Type
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
Outdoor (No Venting)
Storage Type
Tankless
Mount Type
Wall
Installation Location
Outdoor
Gas Conversion Kit
Not Available
Subscription Eligible
No
UPC
766156006630
Performance
Maximum Input Capacity
Maximum Input Capacity
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
199000 BTU
Minimum Input Capacity
15200 BTU
Flow Rate at 40F Temperature Rise
Flow Rate at 40F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
9.7 GPM
Flow Rate at 45F Temperature Rise
Flow Rate at 45F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
7.6 GPM
Flow Rate at 50F Temperature Rise
Flow Rate at 50F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
7.6 GPM
Flow Rate at 60F Temperature Rise
Flow Rate at 60F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
6.3 GPM
Flow Rate at 70F Temperature Rise
Flow Rate at 70F Temperature Rise
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location. Learn More
5.4 GPM
Uniform Energy Factor
Uniform Energy Factor
Uniform Energy Factor (UEF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater.
0.92
Minimum Flow Rate
0.4 GPM
Ultra Low NOx Emissions
Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx. Learn More
Yes
Electrical Data
Voltage
120 Volts
Phase
1
Frequency
60 Hz
Dimensions
Gas Connection Size
3/4 Inch
Cold Water Inlet
3/4 Inch
Hot Water Outlet
3/4 Inch
Product Height
25 17/24 Inches
Product Width
18 1/2 Inches
Product Depth
10 Inches
Product Weight
70.5 Pounds
Certifications
Energy Star Listed
Yes
CSA Listed
Yes
AHRI Certified
Yes
NSF Certified
NSF Certified
The National Sanitation Foundation has developed public health standards and certification programs to protect the world's food, water, consumer products and environment.
Yes
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Heat Exchanger Warranty
12 Years
Reviews
(7)
Rinnai RU98EN Reviews & Ratings
Customer Photos and Videos



Awesome product
By Jeffery S.
Trinity, Alabama
Review Posted 08/10/2018
It works great replaced a 80 gallon water heater free up a lot of space and looks awesome
Jeffery S. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Best upgrade made to our house yet.
By Charles W.
NMB, South Carolina
Purchased 07/11/2018 |
Review Posted 08/08/2018
replacing a old 100 gallon water heater that was an energy hog. Very happy with the speed of the hot water to the faucet and never running out of hot water. Can't wait to see the savings on our electric bill.
Charles W. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Very Happy with the upgrade
By Marcus A.
Plainwell, Michigan
Purchased 05/31/2018 |
Review Posted 08/07/2018
This thing exceeded my expectations, i have a 2 bathroom home and we would regularly run out of hot water with a 40gal tank heater. When my tank was showing signs of leaking i started researching tankless and found this heater great price and better performance. I was skeptical that i was going to have to use a higher water temp setting being on a well in michigan, but we are only on the second settings at 125deg F, and the water is plenty hot and produces tons of hot water. This heater is amazing. Just do your home work on what you need if you are doing the install yourself.
Marcus A. Recommends This
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Rating Breakdown
4/5
5/5
5/5
5/5

Very good water heater
By Tim S
Bel Aire, Kansas
Purchased 07/08/2018 |
Review Posted 07/30/2018
I read a lot of complaints about how long it took to get hot water. The only thing I can think of is that people have really long lines because I notice almost no difference between this and my standard hot water tank. about 30 seconds and my water is hot.
Tim S Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Great Product!
By Michel F.
Prescott, Arizona
Purchased 04/11/2018 |
Review Posted 05/02/2018
Easy to install and works great. Great product and value pricing.
Michel F. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Great Product
By Ruben L.
Yonkers, New York
Purchased 02/14/2018 |
Review Posted 03/08/2018
Easy installation and plenty of YouTube videos for help.
Ruben L. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Tentative thumbs up
By Al H.
Denton, Texas
Purchased 12/28/2017 |
Review Posted 01/18/2018



Two weeks and all is well. Too early to really pass judgment on how well it works in all conditions such as freezing weather and mud daubers. Beautifully made and very quiet.
Al H. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Quiet, High Quality, I'd Buy It Again
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Rinnai RU98 - 6.3 GPM at 60° F Rise - 0.92 UEF - Gas Tankless Water Heater - Outdoor


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