Rinnai RUR98eP Ultra Series Outdoor Propane Tankless Water Heater


Weight: 75.80 lbs

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More Hot Water, Faster!

The Rinnai Ultra Series brings technological leadership and innovation in condensing tankless water heating design. It provides homeowners with energy savings, an endless supply of hot water, environmental benefits, and a space-saving design. Rinnai now offers more hot water with the new Ultra RUR tankless water heaters. The RUR98i and RUR98e support recirculation (with or without a dedicated recirculation line) using thermal bypass technology which includes thermal bypass valve, an integrated pump, and an internal bypass line which means reduces wait time for hot water.


• Isolation Valve Kit
• Thermal Bypass Valve
• Built-in circulation pump
• MC-195T remote controller
• Internal by-pass pipe for internal recirculation



​Width: 18.5 inches, Height: 26 inches, Depth: 10 inches

Weight ​​72.8 lbs / 33.0 kg
Installation Type Outdoor
Minimum/Maximum Gas Range

​15,200 - 199,000 Natural Gas and Propane

Energy Factor

​0.95 for Natural Gas and Propane

Temperature Range

Residential: 98°F - 140°F
Commercial: 98° F - 140°F

Approved Gas Types Propane
Minimum Activation Rate 0.4 GPM
Flow Rate (70° / 50° Temperature Rise)

5.5 / 7.7

Hot Water Flow Rate Range

​0.26 to 9.8 GPM

Controllers MC-195T-US (Pump Timer Control, included. Not compatible with WiFi RWM101)
MC-91-2US (optional, compatible with WiFi RWM101)
Ultra Low NOx ​Yes
Warranty (Residential) ​Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor)
Warranty (Commercial) ​Limited 5-year on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)
Mobile Home Certified ​Yes
Certifications ​AHRI, CSA, NSF, Energy Star


Comprehensive brochure
Ultra series brochure
Installation & operation manual

Frequently Asked Questions ("FAQ")

Q1: What is the difference between the RU, RUR and RUC series?
A1: Rinnai's RU series heaters such as the RU80e and RU90e are simply the outdoor versions of the RUC units.
The RUR series heaters such as the RUR98i and the RUR98e have a built-in recirculation pump. The RUC series heaters such as the RUC98i and the RUC80i do not have the recirc pump.

All of these heaters are condensing.

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