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 NC1991-OD-LP 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 NC1991-OD-LP boasts an 84% thermal efficiency rating 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, overheat prevention device, lightning protection device, and freeze protection device, all backed by a five-year parts warranty.
Included Remote Controller
The Noritz NC1991-OD-LP 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 NC1991-OD-LP unit can also be linked together with up to six units.
New Model Number
Effective May 2016, Noritz has updated the model number of the NC1991-OD-LP to GQ-2857WZ US LP
- (5) Anchoring Screws
- (1) Remote Controller
- (1) Drain Hose with Clamp