Rinnai Ultra Series Tankless Water Heater RU98i Top Quality Brand Name Products

Rinnai Ultra Series Tankless Water Heater RU98i

Condensing, Tankless, Temperature controlled, continuous flow,
gas hot water system, Energy Star Qualified


  • Forced combustion; indoor only
  • Direct electronic ignition

Featuring integrated condensing technology, this highly energy efficient tankless unit has an energy factor of .95 and multiple venting options for easier installation.

Specification In Detail
  • Minimum flow rate: 0.26 GPM
  • Minimum activation flow rate: 0.4 GPM
  • Maximum flow rate: 9.8 GPM
  • 15,200 – 199,000 BTU/h
  • Appliance: AC 120 Volts – 60 Hz
  • Temperature Controller: DC 12 Volts
  • Normal: 57 w Standby: 2 w Anti-frost protection: 146 w


Rave Reviews from Happy Customers

  • “I really appreciate the prompt service, knowledgeable technicians and professionalism. They were very thorough. I have been with Bob's for years and they've never let me down.”

    - Kim S.
  • “Bob's did a great job! They did everything they promised in the time they said they would. We needed a new furnace and air conditioner. Very Happy!”

    - Julie C.
  • “Professional & Excellent Service”

    - Annette P.
  • “Great service and very professional servicemen. It's always a pleasure dealing with Bob's Heating & Air”

    - Douglas W.
  • “Excellent company!! Rachel Z really helped me and was not pushy, but really made sure I understood everything and we got the AC installed with the air scrubber!! Thank you, Bobs”

    - Kevin R.