aosmith-ati-540h-n

A. O. Smith Tankless Ultra-Low NOx Indoor 199,000 BTU Natural Gas Water Heater

A. O. Smith Tankless Ultra-Low NOx Indoor 199,000 BTU Natural Gas Water Heater is well suited for residential/commercial applications such as small restaurants and beauty salons. It utilizes condensing technology to achieve an Energy Factor of 0.95, and is ENERGY STAR® qualified. This model meets Ultra-Low NOx emission requirements, and comes with a 15-year limited warranty.

  • Continuous maximum flow rates up to 10.0 GPM
  • Complies with lead free standards
  • Product Preservers® anti-scale system
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SKU: AOS-ULN-199-ATI-540H-N Categories: ,

Water Heater Description

Indoor model, includes integrated temperature controls and advanced diagnostics to simplify troubleshooting. Thicker heat exchanger drum and utilizes HRS35 (heat-resistant) copper for the heat exchanger tubing. Includes a pump control port, ensuring efficient operation of all circulation pumps. Meets the energy efficiency requirements of ASHRAE 90.1b-1992. Internal freeze protection system.

Manufacturer SKU: ATI-540H-N

Manufacturer PDF: AOSBG80000.pdf

Water Heater Specifications

Brand

A. O. Smith

Fuel

Natural Gas

Style

Tankless (whole house)

BTU Input (british thermal units)

199,000

Ignition Type

Direct Spark Ignition

Energy Star

Yes

Water Heater Warranty

Waterheaters.com will honor all warranties in accordance with manufacturer policies and procedures. Manufacturer warranty issues should be addresses directly with the manufacturer.

15 year limited warranty on heat exchanger in residential applications, 10 year limited warranty on heat exchanger in commercial applications, 5 year limited warranty on all parts