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Hard Water Treatment Recommended
NR981 Collection Indoor, max. 199,900 BTU per Hour, 9.8 Gpm
The NR981-SV-NG has more power than any tankless water heater in its class. This low NOx indoor natural gas tankless water heater is engineered to last, and provides sufficient hot water for up to 4 showers with a single unit. The NR981 can accommodate the most demanding residential applications, and can easily expand along with your hot water needs by connecting two units together with the quick-connect system. Its dual flame burner, safety lock-out, freeze protection and built in elevation adjustment, make certain that you not only have sufficient hot water but that it's temperature is always just the way you like it.
Tankless Water Heater: A major improvement to the standard tank style water heaters, the NR981 series tankless water heater packs a lot of power in a small package. The compact and efficient Noritz NR981 saves space, energy and water while delivering endless hot water for mid-size residential applications. If your hot water needs expand, the quick-connect system enables multiple heaters to be connected and run by the same controller system in the same efficient and effective manner. All of this functionality and efficiency are seamlessly controlled by a self-diagnostic computer system, ensuring the safety of your home and that there is always perfect non-varying hot water for everyone to enjoy
- High-efficiency low Nox Eco-Burner reduces emissions
- Natural gas tankless hot water heater
- Energy Factor: .82
- Thermal efficiency: 84%
- Turbo flow: Up to 9.8 GPM @ 35 degree Fahrenheit temperature rise
- Resin coated PC board for protection and durability
- Self-diagnostic onboard computer system
- Dual flame burner to reduce temperature fluctuations
- Overheat and freeze protection systems installed
- PVC cannot be used for venting purposes.
Introducing the latest advancements in tankless water heater technology for your home, Noritz tankless hot water heaters are both eco-friendly and energy efficient, providing savings up to 40% in utility costs. Their gas water heaters warm water on demand, which means you'll always have hot water and it will never run out.
Additional Noritz Links
This Noritz item can also be referenced by the following color/finish specific model #:
- Noritz NR981-SV-NG
*Discontinued model or finish
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