Rinnai Super High Efficiency Plus Natural Gas Tankless Water Heater, RU180iN
$1,699.99
$1,849.99
Save 8%
-
Free
Shipping -
30-Day
Returns* -
Authorized
Dealer -
Installation
ServicesPremium Home Source has partnered exclusively with Angi to offer affordable installation and repair services nationwide!
Learn More
Rinnai Super High Efficiency Plus Natural Gas Tankless Water Heater, RU180iN
This item is out of stock. Please contact us for an ETA.
-
Free
Shipping -
30-Day
Returns* -
Authorized
Dealer -
Installation
ServicesPremium Home Source has partnered exclusively with Angi to offer affordable installation and repair services nationwide!
Learn More

Have a question or want to build your own package?
Talk with one of our trusted appliance experts today!
Welcome to ultimate efficiency for tankless water heaters. Rinnai is raising the bar in tankless heating technology with their SENSEI™ tankless water heaters. The SENSEI's™ advanced condensing technology can easily adapt to colder climates with freeze protection down to -4° F for outdoor units. A corrosion-resistant stainless steel heat exchanger, integrated check valve and included safety devices allow for powerful and efficient water heating for years to come.
- Professional installation recommended
- Energy Star qualified with a uniform energy factor of .93
- Equipped with Rinnai Circ-Logic™ - pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation (not included)
- Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
- Save energy and reduce utility costs by operating only when hot water is needed
- Temperature lock function prevents accidental or unauthorized changes to water temperature
- Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels
- Every SENSEI™ water heater is Wi-Fi compatible for remote monitoring and management.
- The Rinnai SENSEI™ series water heaters feature a fiber mesh premix burner that provides an even flame distribution for optimal performance and efficiency.
- The included stainless steel heat exchanger features corrosion-resistant properties to ensure reliable and long-lasting operation, while its superior efficiency puts the SENSEI™ series at the top of its class.
- Perfect for both new installs and retrofits, the SENSEI™ features the most flexible venting in the industry. Whether your install requires concentric, direct, room air, or common venting, the SENSEI™ series can handle it all.
- The SENSEI™ water heater features an adjustable mounting plate and a rotatable pressure relief valve to accommodate a variety of install applications.
What's Included?
- Tankless Water Heater
- Wall Mounting Bracket
- Pressure Relief Valve and Adapter
- Isolation Valve Kit
- Vent Screens x 2
- Vent Screen Screws x 2
- Self-Tapping Screws x 2
Dimensions | 18.5" W x 31.3" H x 11.45" D |
Weight | 64 lbs |
Fuel Type |
Natural Gas |
Installation Type | Indoor Only |
Gas Connection | 3/4" |
Water Connection | 3/4" |
Water Pressure | 50 - 150 PSI |
Temperature | 98 - 120F 98 - 140F (with Parameter Adjustment) |
Natural Gas Pressure | 3.5 - 10.5 WC |
Voltage | 120V / 60hz / 4A |
Maximum Flow Rate | 0.26 - 9.0 GPM |
Gas Input | 15,000 - 180,000 BTU |
Installation Type | Wall Mounted |
Warranty | 1 Year Labor, 5 Years Part |
Helpful Links:
About Rinnai
Only Rinnai offers the quality and reliability that is built on a 45 year history of innovation and improvements. Rinnai commands quality through in-house design, engineering and manufacturing, and insures your satisfaction with in-house support.
Everyday, the lives of millions of people across the US and Canada are enhanced by Rinnai's products. Rinnai aims to be the best company you have ever worked for or partnered with.
Throughout the world, our standards for quality remain unsurpassed. All factories are ISO 9001 and/or ISO 14001 certified. All products distributed in North America have been approved by the Canada Standards Association (CSA) and adhere to the strict standards of American National Standards Institute (ANSI).
Still need help?
Have a chat with our representative, we’ll be glad to help.

