199,000 BTU ATM-199X3 Adapt SC Standard Condensing Ultra-Low NOx Tankless Water Heater with X3 Scale Prevention Technology (NG)

Features:

• ENERGY STAR certified with a UEF of 0.95
• Flexibility in Installation-PVC venting flexibility (2" up to 50' & 3" up to 150'); Install indoor or outdoor (outdoor kit sold separately)
• Save up to $116/year on operating costs-Compared to a standard 50-gallon atmospheric vent natural gas tank water heater
• Lasts 3x Longer-Integrated X3 Scale Prevention Technology provides protection for the heat exchanger
• Expandable for Larger Applications-Cascade up to 12 like heaters when multiple water heaters are required to work in conjunction (cable included)
• Built-in Control Display-Check status, error codes and settings using the built-in display
• The ATM-199X3-N ADAPT SC Standard condensing tankless water heater uses up to 199,000 BTUs of Natural Gas to deliver a max flow rate of 10.5 GPM. A. O. Smith's ADAPT SC tankless water heaters deliver robust, on-demand performance and the flexibility to install in virtually any residential setting.
• Built-in X3 Scale Prevention Technology helps maintain like-new performance by protecting the heat exchanger from build-up. Scale prevention protection can prolong the life of the heat exchanger by up to 300% as compared to an unprotected unit.
• The ADAPT SC line features a built-in Control Display for setting and checking heater status and error codes.
• All models are ENERGY STAR certified with a Uniform Energy Factor of 0.95 and comply with Ultra-Low NOx regulations. All ADAPT SC models can be installed indoors or outdoors (outdoor vent cap kit sold separately).
• Cascade up to 12 like heaters for larger applications requiring multiple water heaters to work in conjunction, cable included.