Tankless Concepts
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Rinnai RU98i
Ultra Series
Condensing Tankless Water Heater
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. Delight in a continuous suppply of fresh, clean, hot water, and experience the space savings, convenience, ease of installation and peace of mind for which Rinnai is famous.
Rinnai RV53e
MODEL RU98i
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QUALIFIED
FEATURES
  • ENERGY STAR® Qualified
  • Condensing Technology for Greater Efficiency and Significant Energy Savings
  • Up to 95% Thermal Efficiency
  • Pre-set at 120°F
  • Natural Gas and Propane Models Available
  • Meets California and Texas NOx Emissions Standards
  • Energy Factor of 0.94 for Both Gas Types
  • Compatible with Full Line of Rinnai Digital Controllers
  • Temperature Range with Controllers: Residential (98°F - 140°F) Commercial (98°F - 185°F )
  • 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations*
*See dealer for further warranty details.
NEW! - Circ-Logic™
  • Built-in Rinnai Circ-Logic™ recirculation program cycles an external pump at pre-set intervals and temperatures to maximize efficiency and comfort
  • Leak detection shuts off water to the interior units to limit property damage
  • Temperature lock function prevents accidental or unauthorized changes to water temperature
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
SPECIFICATIONS
Dimensions
Width: 18.3 Inches
Height: 29.8 Inches
Depth: 10.1 Inches

Weight
70.5 Pounds

Installation
Indoor, Residential and Commercial

Energy Factor
Natural Gas: 0.95
Propane: 0.95

Thermal Efficiency
Natural Gas: 95%
Propane: 95%

Temperature Settings
Residential: 98°F – 140°F
Commercial: 98°F – 185°F
(commercial controller must be purchased separately)
Hot Water Capacity
0.4 to 7.6 GPM at 50°F Rise
0.4 to 9.8 GPM at 35°F Rise

Approved Gas Types
Natural Gas or Propane

Min/Max Gas Rate (Input BTUs)
Natural Gas: 15,200 – 199,000 BTU
Propane:15,200 – 199,000 BTU

Electrical
AC 120 Volts, 60 Hz

Electrical Consumption
Normal: 64 Watts
Standby: 2 Watts
Anti-Frost Protection: 220 Watts

Gas Connnection
Gas Supply: ¾ Inch MNPT
Cold Water Inlet: ¾ Inch MNPT
DOCUMENTS