Noritz has been in the business of providing homes with hot water for over sixty years, and introduced the industries first electronically controlled water heater in 1981. The NR661-DV-NG represents the culmination of the experience gained over those sixty years. The ecoTough series is Noritz breakthrough line that combines temperature stability with high-efficiency technology to produce an energy-saving unit with a low carbon footprint. These fully-modulating units are designed with commercial grade copper heat exchangers that allow for optimal performance and are backed by a 12-year heat exchanger warranty. Plus, these units are all equipped with a built-in display window and can be adjusted for high altitude installations.
Built for Efficiency
The NRC661-DV-NG boasts an Energy Factor of 0.91 and a direct electronic ignition that avoids always-on pilot light installations, saving you fuel and money.
Made with Safety in Mind
Noritz tankless water heaters have built-in safety devices that protect your unit including a flame sensor, condensate overfill sensor, overheat prevention device, lightning protection device, and freeze protection device, all backed by a five-year parts warranty.
Compact, Modern Design
Noritz tankless water heaters are engineered to have a compact design made of durable steel that easily allows for indoor installation.
- (5) Anchoring Screws