A. O. Smith's Signature Series tankless natural gas hot water heater uses up to 140,000 BTU/h of natural gas or propane to deliver a 6.6-gallons-per-minute flow rate (based on a 35°F rise) of continuous hot water when sized appropriately. This makes it ideal for whole-home applications. This model only heats water when needed, making it one of the most energy-efficient options for heating water. This non-condensing outdoor compact water heater has a 0.81 Uniform Energy Factor (UEF), reducing energy consumption and saving money on energy bills. You can easily mount this model on an outside wall, saving valuable storage space. This unit may qualify for additional energy-efficiency rebates and tax credits in your local area. See Lowe's Rebate Center for details. Tankless natural gas water heaters have special installation requirements. Professional installation is required. Call 1-877-GOLowes to get this water heater installed.
Delivers the ideal amount of hot water for up to 2 simultaneous showers when sized appropriately (based on a 2.5 GPM showerhead in the southern zone)
Operates at a 0.81 Uniform Energy Factor (UEF) for maximum energy efficiency and cost savings on this Ultra Low NOx outdoor model
Frees up valuable storage space with compact, outdoor wall-mounted design
Professional installation required - call 877-GO-LOWES
Uses 1/2 inch gas line for up to 10 feet or 3/4 inch gas line for longer lengths and includes a kit for easy conversion from natural gas to propane
Includes remote controller for easy temperature adjustment and troubleshooting
Primary heat exchanger design provides superior heat transfer and protection for extended product life
Worry-free safety features include freeze, overheat and surge protection as well as troubleshooting diagnostic codes
Provides peace of mind with a 15-year heat exchanger guarantee, 5-year parts guarantee and a 1-year limited labor warranty