






🔥 Compact power, endless comfort — heat your home smarter!
The Rinnai RL75IN is a high-efficiency, indoor natural gas tankless water heater delivering up to 7.5 gallons per minute. Its compact design fits in small spaces while providing consistent hot water on demand. With 82% energy efficiency and a robust 10-year heat exchanger warranty, it offers reliable performance and energy savings. Optional WiFi control compatibility makes it a future-proof choice for modern homes.








| Brand | Rinnai |
| Product Dimensions | 17.5"W x 31"H |
| Color | Gray |
| Wattage | 1.2E+3 |
| Voltage | 120 Volts |
| Maximum Flow Rate | 7.5 Gallons Per Minute |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Efficiency | 82% |
| Style | Natural Gas, Indoor Installation |
| Mounting Type | Wall |
| Is Electric | No |
| Manufacturer | Rinnai |
| UPC | 720825247847 766156006333 |
| Global Trade Identification Number | 00720825247847 |
| Part Number | RL75iN |
| Item Weight | 54 pounds |
| Item model number | RL75iN |
| Is Discontinued By Manufacturer | No |
| Size | 7.5 GPM |
| Pattern | Heater |
| Item Package Quantity | 1 |
| Water Consumption | 9.4 Gallons |
| Certification | AHRI Certified |
| Usage | Indoor use only |
| Included Components | Valve Kit |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts) |
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