Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG
The Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG is a high-capacity, natural gas-powered tankless water heater designed for outdoor installation. It can deliver up to 8.5 gallons of hot water per minute, making it well-suited for large households or use in commercial settings where high demand for hot water is expected.
This water heater is equipped with advanced features, such as a digital temperature control panel, which allows you to adjust the hot water temperature to your desired setting. It also has a built-in recirculation pump, which helps to reduce wait time for hot water at fixtures and reduces water waste.
The RE Series 8.5 GPM Outdoor NCTWH - NG is energy efficient, with a high energy factor of .82, and meets the Energy Star qualifications for energy efficiency. It is also equipped with a built-in freeze protection system, which helps to prevent damage to the unit in cold weather.
Overall, the Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG is a reliable and efficient choice for homeowners or businesses who need a high-capacity tankless water heater that can deliver a consistent supply of hot water on demand and who prefer an outdoor installation.
Features
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Clean Internal Layout
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LED Screen
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Safety Handle and Seating Bracket
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Easy Open / Close Access
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Programmable Service Reminders
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Compact Copper Heat Exchanger
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Optional Leak Detection Kit
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Optional Freeze Protection
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180,000 BTUs
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Hot Water Capacity Range: 0.13 GPM to 8.5 GPM
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0.82 Uniform Energy Factor
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Dimensions: 14.05" x 22.87" x 10.77"
Specification
| Fuel Type |
Natural Gas |
| Color/Finish |
Silver |
| Indoor/Outdoor |
Outdoor |
| Size |
180 |
| Vent Type |
Non-Condensing |
What Our Experts Think
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High 8.5 GPM Flow Rate: Delivers ample hot water for large homes with multiple simultaneous fixtures.
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Natural Gas Powered: Offers reliable, energy-efficient performance with lower operating costs.
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Outdoor Installation: Saves indoor space and eliminates the need for venting systems.
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Tankless Design: Provides on-demand hot water while minimizing energy waste.
Q&A
Q: What type of home is this model ideal for?
A: It’s well-suited for larger households with high hot-water demand.
Q: Does it require venting?
A: No — as an outdoor model, it does not require indoor venting or flue installation.
Q: Is it energy efficient?
A: Yes, the tankless system heats water only as needed, reducing standby energy consumption.
Maintenance Tips
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Flush the unit annually to prevent scale buildup.
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Inspect gas and water connections regularly for leaks.
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Clean exterior and air inlets periodically to maintain airflow.
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Follow manufacturer guidelines for scheduled servicing and maintenance.
