Rinnai RE Series 6.6 GPM Indoor NCTWH - LP
The Rinnai RE Series 6.6 GPM Indoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for indoor installation. It can deliver up to 6.6 gallons of hot water per minute, making it well-suited for larger households or use in commercial settings.
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 6.6 GPM Indoor NCTWH - LP 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 6.6 GPM Indoor NCTWH - LP 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.
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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Optional Mounting Bracket (Sold Separately)
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160,000 BTUs
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Hot Water Capacity Range: 0.26 GPM to 6.6 GPM
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0.81 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 |
Indoor |
| Size |
160 |
| Vent Type |
Non-Condensing |
What Our Experts Think
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6.6 GPM Flow Rate: Provides reliable hot water for homes with moderate to high demand.
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Propane-Powered Efficiency: Offers strong performance with reduced operating costs.
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Tankless Indoor Design: Heats water on demand and saves valuable indoor space.
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Reliable Performance: Engineered for long-term use with consistent temperature control.
Q&A
Q: What is the maximum flow rate?
A: Up to 6.6 gallons per minute, ideal for multiple fixtures running simultaneously.
Q: Is this unit intended for indoor installation?
A: Yes, it’s specifically designed for indoor use and requires proper venting.
Q: Is it energy efficient?
A: Absolutely — the tankless design reduces standby energy loss by heating only when needed.
Maintenance Tips
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Flush the system annually to prevent scale buildup.
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Inspect propane and water connections regularly for leaks.
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Clean venting components to maintain airflow.
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Follow manufacturer service recommendations for optimal performance.
