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 NCC1991-OD-NG represents the culmination of the experience gained over those sixty years. Noritz Commercial tankless water heaters are engineered to perform with efficient precision, making these units perfect for any commercial project. These fully modulating units are designed with commercial grade copper heat exchangers that allow for optimal performance and are backed by a five-year heat exchanger warranty.
Built for Efficiency
The NCC1991-OD-NG boasts a 94% thermal efficiency rating achieved through the inclusion of condensing technology, recovering as much energy as possible and reusing it, 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, neutralizer overfill sensor, overheat prevention device, lightning protection device, and freeze protection device, all backed by a five-year parts warranty.
Included Remote Controller
The Noritz NCC1991-OD-NG includes an easy-to-use, remote controller that allows for convenient, adjustable temperature control for your hot water system.
Compact, Modern Design
Noritz tankless water heaters are engineered to have a compact design that easily allows for outdoor installation.
Multiple Unit System Compatibility
For extra-demanding systems, the Noritz NCC1991-OD-NG unit can also be linked together with up to 24 units.
New Model Number
Effective May 2016, Noritz has updated the model number of the NCC1991-OD-NG to GQ-C3257WZ US NG
- (5) Anchoring Screws
- (1) Remote Controller
- (6') Remote Controller Cord