- Concentric or PVC venting option
- Up to .96 Energy Factor
- The space-saving design allows installation almost anywhere
- Ultra low NOx emissions
- 152,000 max BTU
Warranty: Residential: Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor)
Commercial: Limited 5-year on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)
Details: 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.