AO Smith 10 GPM 199,000 BTU 120 Volt Residential / Commercial Indoor Natural Gas Tankless Water Heater with Ultra-Low NOx

Ultra-Low NOx gas tankless water heaters with condensing technology featuring an unprecedented 0.95 Energy Factor which lowers operating costs and is environmentally friendly.

Features:

• Never run out of water again with a steady 10 GPM flow rate
• Electric ignition ensures you never have to mess with a pilot light again
• This product is Energy Star certified with a Uniform Energy Factor of 0.95
• Tankless design allows for wall-mount installation, leaving more space available for you to use
• Features a built-in temperature controller and factory installed power cord
• Durable heat exchanger is constructed of commercial-grade copper resulting in greatly increased heat transfer and resistance to erosion
• Can be used with either Category III or IV power direct venting in either a 3" or 4" size
• Protected by a multitude of built-in safety features such as an overheat cutoff fuse, constant temperature monitoring, and air fuel ratio rod
• Capable of common-venting up to 8 units
• Easily link up to 4 units without needing additional parts or accessories, and up to 20 units with the multi-unit controller (sold separately)
• Can be used in residential and commercial applications
• Complies with lead-free standards
• Designed for indoor use only
• Covered under 15-year limited residential and 5-year limited commercial heat exchanger warranties
• Covered under 1 year labor and 5 year parts manufacturer warranties

Product Technologies:

• Ultra-Low NOx Condensing Technology: Meets SCAQMD 1146.2 requirements for Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)

Specifications:

• Width: 17-3/4"
• Height: 23-5/8"
• Depth: 11-1/4"
• Fuel Type: Natural Gas
• Gas Connection: 3/4" NPT
• Water Connection: 3/4" NPT
• Water Pressure (Min): 15 psi
• Water Pressure (Max): 150 psi
• Temperature (Min): 99°F
• Voltage: 120V

Product Variations:

• ATI-240H-N: 6.6 GPM Indoor Tankless Water Heater
• ATI-340H-N: 8 GPM Indoor Tankless Water Heater
• ATI-540H-N (This Model): 10 GPM Indoor Tankless Water Heater