RUC98i (REU-KBD3237FFUD)
Ultra Series Tankless Water Heater
NOW WITH MORE VENTING OPTIONS RIGHT OUT OF THE BOX!
Rinnai Ultra Series Tankless Water Heaters deliver innovation and technological leadership in condensing tankless water heating design. Providing homeowners with an endless supply of hot water, energy savings, a space saving design and environmental benefits, Rinnai offers ease of installation now with more venting options right out of the box. As the only manufacturer to offer both concentric and twin-pipe PVC venting, no adaptor is necessary to give you double the venting options on every installation. One unit. Two venting options. From one project to the next, with the RUC line of Ultra Series Tankless Water Heaters the freedom of choice is yours … right out of the box.
SAVES TIME
Delivers an endless supply of hot water whenever and wherever it’s needed – simultaneously to multiple fixtures.
The ONLY manufacturer to offer both Concentric and PVC, providing more venting options right out of the box saving you time, money and the best flexibility to get the job done fast.
SAVES MONEY
Up to .96 Energy Factor (ENERGY STAR® qualified)
SAVES SPACE
Similar in size to a carry-on suitcase, our space-saving design allows installation almost anywhere.
GREEN
Earth-friendly technology produces lower CO2 emissions which contribute to cleaner air and a healthier environment.
Specifications
| Dimensions |
Width: 18.5 inches (469.6 mm) Height: 26 inches (660.4 mm) Depth: 10 inches (254 mm) |
| Weight |
61.7 lbs (28.0 kg) |
| Installation Type |
Indoor |
| Minimum/Maximum BTU |
15,200 / 199,000 Natural Gas and Propane |
| Energy Factor |
0.95 for Natural Gas and Propane |
| Temperature Range |
Residential: 98°F - 140°F (37°C - 60°C) Commercial: 98°F - 185°F (37°C - 85°C) |
| Minimum Activation Rate |
0.4 gpm (1.5 lpm) |
| Flow Rate (70° / 50° Temperature Rise) |
5.5 / 7.7 gpm (20.8 / 29.2 lpm) |
| Hot Water Flow Rate Range |
0.26 - 9.8 gpm (0.98 - 37.1 lpm) |
| Controllers |
Standard: Integrated Optional: MC-195T-US, MC-100V-1US, BC-100V-1US, MCC-91-2US |
| 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 |
| Valves Shipped in Box |
Yes |
| High Altitude Approved |
Up to 10,200 ft. (3,109 m) |
| Certifications |
AHRI, CSA, Energy Star® |
| Venting Options |
Concentric or PVC / CPVC |
| Tankless Rack System (TRS/TRW) Compatible |
Yes |
| 1/2" Gas Line Compatible |
Yes |
