AO Smith 10 GPM 199,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater with Ultra-Low NOx and Integrated Recirculation Pump

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
• Uniform Energy Factor of 0.95
• Tankless design allows for wall-mount installation, leaving more space available for you to use
• Integrated recirculation pump
• Includes integrated temperature and pump controls with advanced diagnostics that simplify installation and troubleshooting
• Durable heat exchanger is constructed of commercial-grade copper resulting in greatly increased heat transfer and resistance to erosion
• Safety features include exhaust and water temperature safety control, overheat cut-off fuse, and air-fuel ratio (AFR) sensor
• Common vent up to 8 units, Easy-Link 540P with three other 540H to increase flow capacity
• 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
• Voltage: 120V