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The ENERGY STAR rated NRC83, Noritz's ecoTOUGH Series of gas fired residential condensing tankless water heaters, is designed for smaller homes and multi-family dwellings. It is available in both indoor (the two-pipe, direct vent NRC83-DV) and outdoor (NRC83-OD) models, the new wall mounted units have an energy factor (EF) of 0.92 for natural gas and 0.94 with liquid propane - approximately 30 points higher than a standard, strage tank-type, gas-fired water heater. New improvements: Precision Combustion Control - More precise burner control, especially during low-fire demand. New intelligent freeze protection software - Improved freeze protection from extreme cold weather. No internal neutralizer - Removed from the unit to help prevent failures from a frozen neutralizer.
Home Size:
Southern climate: 2 baths
Northern climate: 1 baths
Indoor Unit Dimensions:
24.2" (H) x 18.3" (W) x 9.4" (D)
Outdoor Unit Dimensions:
24.2" (H) x 18.3" (W) x 9.4" (D)
Weight:
58 lbs.
Gas Consumption:
Min. 16,000 btuh
Max. 157,000 btuh
(NG & LP):
Natural Gas/Propane
Capacity Range:
0.5-8.3 Gal./min.
Energy Factor:
0.92 (NG) 0.94 (LP)
Thermal Efficiency:
93%
Temperature Settings:
100-140°F (In 5°F intervals) (9 Options)