Ao Smith ATM-199M-N USA 100 Adapt SC Standard Condensing Ultra-Low NOx 199,000 BTU Natural Gas Tankless Water Heater

Product Description

The AO SMITH ATM-199M-N USA 100 Adapt SC standard condensing tankless water heater uses up to 199,000 BTUs of Natural Gas to deliver a max flow rate of 6 GPM. These tankless water heaters deliver robust, on-demand performance and the flexibility to install in virtually any residential setting. It is ENERGY STAR certified with a Uniform Energy Factor of 0.95 and complies with Ultra-Low NOx regulations. All models can be installed indoors or outdoors.

• 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

Product Highlights

Features a built-in Control Display for setting and checking heater status and error codes. Cascade up to 12 like heaters for larger applications requiring multiple water heaters to work in conjunction, cable included.

Product Information

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: ATM-199M-N USA 100
• Country of Origin: US

Technical Specifications

• UEF: 0.95
• Maximum BTUs: 199,000
• Power Source: GAS
• Water Connection Location: BOTTOM
• Water Connection Size: 0.75"
• ASME Certified: No
• Amperes: 5
• ENERGY STAR Certified: Yes
• Flue Diameter: 2.00
• Fuel Source: NATURAL
• Installation Type: BOTH
• Max Flow Rate: 6 GPM
• Minimum BTUs: 10,000
• Application: RESIDENTIAL
• Product Tier: ProLine XE
• Side Loop: No
• Voltage: 120
• Type: Water Heater
• Height: 32.46"
• Width: 17.12"
• Vent Material: ABS, PVC, CPVC and polypropylene
• Depth: 11.9 in
• Fuel Type: Natural Gas
• Gas Inlet Size: NPT 3/4 in
• Sound Level: 51 db
• UPC: 671657293192
• Water Pressure Range: 15 to 150 PSI