Limited Time Sale$634.20 cheaper than the new price!!
| Management number | 203840320 | Release Date | 2025/10/20 | List Price | $271.80 | Model Number | 203840320 | ||
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This model has been redesigned to activate at a lower flow rate of 0.8 GPM as well as updated self diagnostics.
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 Gallons Per Minute and 140,000 BTU per hour, the Eccotemp 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 Eccotemp 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.
Product Features:
What's Included:



45HI Warranty
The Eccotemp 45HI has been tested for use at elevations up to 2000 feet. Installation and use of the Eccotemp 45H above 2000 feet may effect overall product efficiency and performance. Installation and use of the Eccotemp 45HI above 5000 feet is not recommended.
IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.
CSA 2714806
Class 2901 85
Class 2901 05
Class 2902 93
Class 2902 13


| Map Zone | Northern Region, Mid Region, Southern Region |
| Color | White |
| Flow Rate | 6.8 GPM |
| Installation | Indoor |
| Applications | Standard Home, Cabins, Apartment/Townhome |
| Power Type | Natural Gas (NG) |

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