HEATING WATER SMARTER
The Eccotemp 45HI-NG Indoor Natural Gas Tankless Water Heater is the largest indoor model of the Eccotemp tankless line. Rated at an impressive 6.8 GPM and 150,000 BTU per hour, the 45HI-NG can meet all the hot-water needs of a standard home or apartment with one or two bathrooms, as well as smaller commercial applications. The compact, wall mounted 45HI-NG is powered by natural gas. With its fully automated control system, the Eccotemp 45HI-NG is the ideal choice for any standard sized home.
Features
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CSA certified for US and Canadian use
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Hot water capacity range: .8 - 6.8 GPM
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Activation Flow .8 GPM
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Natural Gas Powered
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Digital display with simple controls and diagnostics
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Maximum / Minimum gas rate: 19,800 - 150,000 BTUs
Specifications
| Manufacturer's Warranty |
90 Day Consumer Limited |
| Flow Rate |
6.8 |
| Installation |
Indoor |
| Application |
Whole Home |
| Power Type |
Natural Gas (NG) |
| Dimensions |
17" x 29" x 10" |
| Weight |
38lbs. |
| SKU |
45H-NG |
Package Includes
1. 110 volt UL listed power cord
2. T&P Relief Valve
3. Gas Shut Off Valve
4. Instruction Manual
Product Manual
✓ 45HI-NG User Manual
What Our Experts Think
The Eccotemp 6.8 GPM Natural Gas Tankless Water Heater (Model RFB 45HI-NGR) is an efficient, high-performance solution for homeowners seeking reliable, on-demand hot water. Here’s why it stands out:
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6.8 GPM Flow Rate: Provides ample hot water for multiple fixtures simultaneously, making it perfect for medium to large homes or light commercial applications.
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Natural Gas Powered: Utilizes natural gas for an energy-efficient and cost-effective solution, ideal for homes with natural gas hookups.
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Energy Efficient: Tankless design only heats water when it’s needed, reducing energy consumption and eliminating standby heat loss associated with traditional tank water heaters.
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Compact & Space-Saving: Wall-mounted design maximizes space and is perfect for installations in tight or confined areas.
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Quick Installation: Designed for straightforward installation, reducing setup time and labor costs.
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Durable & Long-Lasting: Made with high-quality materials to provide consistent performance and reliability, ensuring hot water for years.
Ideal for homeowners and businesses seeking an efficient, natural gas-powered tankless water heater with a high flow rate, easy installation, and long-lasting reliability.
Q&A
Q: What is the Eccotemp 6.8 GPM Natural Gas Tankless Water Heater?
A: The Eccotemp 6.8 GPM Natural Gas Tankless Water Heater provides efficient, on-demand hot water with a 6.8 gallons per minute flow rate, powered by natural gas, designed for medium to large homes or small businesses.
Q: What are the key features?
A:
- 6.8 GPM flow rate, suitable for medium to large households or light commercial use.
- Natural gas-powered, offering an energy-efficient and cost-effective solution.
- Compact, space-saving design for easy installation in indoor or outdoor spaces.
- Adjustable digital temperature control, with a range from 80°F to 140°F.
- High energy factor, reducing operational costs by heating water only when needed.
Q: What are its benefits?
A: Delivers endless hot water on demand, reducing energy usage and eliminating the need for bulky storage tanks. Its natural gas power is both eco-friendly and cost-effective, making it ideal for larger homes or small businesses.
Q: Who is this water heater ideal for?
A: Perfect for medium to large homes, apartments, or small businesses in need of a reliable, energy-efficient natural gas-powered tankless water heater.
Q: Is it easy to install?
A: Yes, it is designed for indoor or outdoor installation with natural gas connections. Professional installation is recommended to ensure safety and optimal performance.
Q: What’s the temperature range?
A: The water temperature can be adjusted from 80°F to 140°F, offering flexibility for various heating needs.
Q: Does it come with a warranty?
A: Yes, it comes with a manufacturer’s warranty, ensuring reliability and long-term performance.
This concise Q&A highlights the Eccotemp 6.8 GPM Natural Gas Tankless Water Heater’s performance, energy efficiency, and suitability for medium to large residential or light commercial applications.
Maintenance Tips
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Clean the Water Filter: Clean the inlet water filter every 6 months to remove sediment, debris, or mineral buildup, ensuring unrestricted water flow and efficient heating.
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Flush the System: Annually flush the heat exchanger with a descaling solution to remove mineral deposits that can affect efficiency, especially in areas with hard water.
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Inspect Gas Supply: Regularly check the natural gas supply line for leaks or blockages. If any leak is detected, immediately shut off the gas and contact a professional for repairs.
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Maintain Ventilation: Ensure the venting system is clear of blockages and properly directs exhaust gases outside. Inspect the vent pipes for corrosion or signs of wear.
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Examine Exhaust Pipe: Periodically check the exhaust pipe for soot buildup or debris and clean it to ensure proper airflow and combustion efficiency.
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Check Temperature Settings: Confirm that the temperature settings are within the manufacturer’s recommended range to ensure safe operation and optimal performance.
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Monitor Error Codes: Regularly check for any error codes on the unit and promptly address them to maintain efficient operation and prevent system malfunctions.
Damage 
Loss 
Theft 
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