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Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe

4.4 out of 5 stars 124 ratings

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  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions
  • 199,000 max BTU
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New (2) from $2,053.00 + $46.49 Shipping

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Customer Rating 4.4 out of 5 stars (124) 4.6 out of 5 stars (146) 4.3 out of 5 stars (44) 4.4 out of 5 stars (487) 4.4 out of 5 stars (434)
Price From $2,053.00 $1,666.50 $2,075.25 $831.00 $1,371.00
Sold By Available from these sellers Amazon.com eFaucets Buildcom Amazon.com
Item Dimensions 10.00 x 18.50 x 26.00 inches 18.50 x 11.45 x 31.30 inches 22.05 x 14.76 x 33.86 inches 14.04 x 9.27 x 26.90 inches 9.27 x 14.04 x 26.90 inches

Product description

Rinnai takes tankless water heating one step further with condensing technology that delivers more efficiency than ever before. Enjoy all the same tankless benefits you’ve come to expect from Rinnai, plus even greater energy savings. Features: 95% Thermal Efficiency Natural gas or propane Indoor Installation Only 98° F to 140° F Residential Temperature Range 98° F to 185° F Commercial Temperature Range Commercial Controller Must be Purchased Separately Gas Rate Input BTU's: 15,200 - 199,000 Electronic Ignition Meets California and Texas NOx Emissions Standards Compatible with Full Line of Rinnai Digital Controllers 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations Specifications: Width: 18.5" Height: 26" Depth: 10" Weight: 61.7 lbs Gas Connection: 3/4" Water Connection: 3/4"


Product information

Technical Details

Technical Specification

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]

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Bulb Voltage

120 volts


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
124 global ratings
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Top reviews from the United States

Reviewed in the United States on February 15, 2017
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259 people found this helpful
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Reviewed in the United States on June 1, 2018
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71 people found this helpful
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Reviewed in the United States on July 23, 2015
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190 people found this helpful
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Top reviews from other countries

andrew szatkowski
5.0 out of 5 stars Rinnai RUC98iN ULTRA is a perfect fit with vertical and horizontal vent pipes that are ...
Reviewed in Canada on December 3, 2015
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9 people found this helpful
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Amazon Customer
5.0 out of 5 stars Fantastic. Our family of six NEVER runs out of ...
Reviewed in Canada on August 1, 2017
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6 people found this helpful
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God
5.0 out of 5 stars grest unit but expensive to replace parts
Reviewed in Canada on February 23, 2019
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One person found this helpful
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Buzznow
1.0 out of 5 stars Product Mysteriously Unavailable............
Reviewed in Canada on June 21, 2018
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One person found this helpful
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Excellent product
5.0 out of 5 stars I love Rinnai products, great value for money and absolutely reliable!
Reviewed in Canada on December 28, 2018
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