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Rinnai RUCS65iP Ultra Series Tankless Water Heater, White

by Rinnai
Sold out
Original price $ 1,362.00
Current price $ 983.89

See more Rinnai tankless water heaters on their brand page

Rinnai Ultra Series Tankless Water Heaters deliver innovation and technological leadership in condensing tankless water heating design, while providing homeowners with an endless supply of hot water, energy savings, a space-saving design and environmental benefits. The NEW RUCS65i at 130,000 BTUs, available in natural gas and propane, offers condensing technology with lower capacity at attractive price points. As the only manufacturer to offer both concentric and PVC/CPVC dual pipe venting options on the same unit, the RUCS models join the Ultra Series lineup of innovative designs and enduring values.

These new Rinnai RUCS Condensing Tankless Water Heaters expand Rinnais Ultra Series condensing lineup to 6 models, in both indoor and outdoor versions, ranging from 130,000 to 199,000 BTU with efficiencies from .93 EF to .96 EF, providing the most complete condensing lineup in the industry.



  •     ENERGY STAR® Qualified - Energy Factor up to .93
  •     The RUCS65i, with a maximum of 130,000 BTU, can deliver 6.5 GPM of hot water
  •     Built-in status monitor; easily upgradable to MC-91-2 controller for remote operation
  •     Temperature Range of 120°F - 140°F, with four convenient pre-set temperatures
  •     Stylish white cabinet and matching cover panel
  •     Quiet Operation: RUCS65 @ 47dB
  •     High Altitude Approved up to 5,400 feet
  •     Ultra Low NOx Compliant
  •     Built-in freeze protection down to -22°F for indoor models and -4°F for outdoor models (gas/electricity required)
  •     Mobile Home Certified
  •     Fuel conversion kits available

Isolation Valves Sold Seperately or in Combination

     Jomar Tankless Water Heater Valves 810-504G

     The Rinnai RUCS65iP requires isolation valves during installation. This valve kit includes hot and cold water shut-off valves, hot and cold water drain valves, and an ANSI approved pressure relief valve. Use of these valves will allow flushing of the heat exchanger and aid in servicing and troubleshooting of your Rinnai. You can purchase them with your water heater above or separately.



    Dimensions Width: 18.5 inches (469.9 mm)
    Height: 26 inches (660.4 mm)
    Depth: 10 inches (254 mm)
    Weight 57.3 lbs (26 kg)
    Installation Type Indoor
    Minimum/Maximum BTU 10,300 / 130,000 and Propane
    Energy Factor 0.93 for Propane
    Temperature Range Residential Only: 120°F - 140°F (49°C - 60°C)
    Minimum Activation Rate 0.4 gpm (1.5 lpm)
    Flow Rate (70° / 50° Temperature Rise) 3.4 / 4.8 gpm (12.9 / 18.1 lpm)
    Hot Water Flow Rate Range 0.26 - 6.5 gpm (0.98 - 24.6 lpm)
    Controllers Standard: Status Monitor
    Optional: MC-91-2US
    Ultra Low NOx Yes
    Warranty (Residential)* Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor
    Warranty (Commercial)* Residential only
    Mobile Home Certified Yes
    Valves Shipped in Box No
    High Altitude Approved Up to 5,400 ft. (1,646 m)
    Certifications AHRI, CSA, Energy Star®
    Venting Options Concentric or PVC / CPVC
    Tankless Rack System (TRS/TRW) Compatible No
    1/2" Gas Line Compatible*** Yes