The ENERGY STAR rated NRC711, Noritz's ecoTOUGH Series of gas fired residential condensing tankless water heaters, is designed for smaller homes and multi-family dwellings. The indoor (the two-pipe, direct vent NRC711-DV) is a new wall mounted unit that has an energy factor (EF) of 0.94 for natural gas and 0.94 with liquid propane - approximately 30 points higher than a standard, stage tank-type, gas-fired water heater.

• Safety lock out - Default max. 120 degrees (refer to owner?s manual for higher temp)
• 93% Efficiency
• Standard burner - High performance single flame burner.
• Fully modulating burner - Automatically adjusts burner level accordingly.
• Turbo Flow - Up to 7.1 GPM @ 35 degree temperature rise (6.3 GPM @ 45 degree rise).
• Direct ignition - No standby pilot light.
• Thermal fuse - Automatic overheat protection system.
• Resin coated PC board - Increases durability and protection from elements.
• Automatic air regulator - Monitors internal temperature/maximizes burner efficiency.
• Parts Warranty: 5 year
• Residential Heat Exchanger Warranty: 12 years

• Home Size : Southern climate: 2.5 baths Northern climate: 2 baths
• Indoor Unit Dimensions : 23.6” (H) x 13.8” (W) x 6.7” (D)
• Weight :41 lbs.
• Gas Consumption : Min. 15,000 btuh Max. 157,000 btuh
• LP : Propane
• Capacity Range : 0.5-7.1 Gal./min.
• Energy Factor : 0.94
• Temperature Settings : 115-140° F (in 5° F Intervals)