AO Smith ATI-240H-N 6.6 GPM Residential/Commercial Condensing Natural Gas Indoor Tankless Water Heater with 160000 Maximum BTU Input

Features: Never run out of hot water again with a steady 6.6 GPM flow rate Conveniently mounts to your wall for a low profile installation Features a built-in temperature controller and factory installed power cord Can be used with either Category III or IV power direct venting in either a 3" or 4" size Electronic ignition ensures you never have to mess with a pilot light again Complies with lead-free standards Protected by a multitude of built-in safety features such as an overheat cutoff fuse, constant temperature monitoring, and air fuel ratio rod Includes a 15-year limited on the heat exchanger (6-year in commercial applications) and a 5-year on all parts Capable of common-venting up to 8 units Durable heat exchanger is constructed of commercial-grade copper resulting in greatly increased heat transfer and resistance to erosion Designed for indoor use only Specifications: Height: 23-5/8" Width: 17-3/4" Depth: 11-1/4" Max BTU Input: 160000 Maximum Flow Rate: 6.6 GPM Fuel Type: Natural Gas Energy Factor: 0.95 Altitude Certification: 10100 Feet Above Sea LevelProduct Variations: ATI-240H-N (This Model): 6.6 GPM Indoor Tankless Water Heater ATI-340H-N: 8 GPM Indoor Tankless Water Heater ATI-540H-N: 10 GPM Indoor Tankless Water Heater