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Features:
- ENERGY STAR® Qualified - Energy Factor up to .93
- The RUCS75i, with a maximum of 160,000 BTU, can deliver 7.5 GPM of continuous 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: RUCS75 @ 55dB
- 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 separately
- Min. BTU Input - 10,300
- Max. BTU Input - 160,000
- Warranty (Residential) - Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor
These new Rinnai RUCS/RUS Condensing Tankless Water Heaters expand Rinnai’s 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.
Need this water heater installed? Rinnai can help! Simply call 844.348.4715.

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