Tankless Water Heater, 15000 to 140000 BTU/HR Natural

Lead-Free; Our NR66 Series is Perfect for Apartments, Condominiums and Townhouses with 1 to 2 Showers; When Properly Sized, They Provide an Endless Supply of Hot Water and are Designed to be More Efficient than Traditional Tank-Type Water Heaters; These Compact Heaters will Save Space Without Compromising Power, Built-In Features Include Safety Lock-Out, Freeze Protection and High Elevation Adjustment; Standard Burner High Performance Single Flame Burner; Fully Modulating Burner Automatically Adjusts Burner Level Accordingly; 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; 12 Year Limited (Heat Exchanger), 5 Year limited (Parts), 1 Year (Labor) Warranty

Tankless Water Heater; Type Residential, Gas; Inlet/Outlet Connection 3/4"; Gas Type Natural; Relief Valve Details Pressure Relief Valve Installed; Venting Type Outdoor Power; Power Rating of Elements 38 Watt; Electrical Input Supply Rating 120 Volt AC 60 Hertz 4 Amp; Gas Input Supply Rating 15000 to 140000 BTU/HR; Temperature Rating 120 to 140 Deg F; Tank Dimensions 13.8" Width x 6.7" Depth x 20.5" Height; Tank Material Polyester Coated Steel; Tank Capacity 0.15 Gallon; Efficiency Rating Thermal; Ignition Type Electronic; Inclusions/Features Flame Sensor, Freeze Protection, Lighting Protection Device, Overheat Prevention Device, Temperature Control; Applicable Standard AHRI, ANSI Z21.10.3/CSA 4.3, NSF, UPC, SCAQMD RULE 1146.2; Gas Inlet Size 3/4"; Flow Rate 0.5 to 6.6 GPM; Thermal Efficiency 84 Percent; Warranty 12 Year Limited (Heat Exchanger), 5 Year Limited (Parts), 1 Year (Labor)