Tankless Water Heater, Tankless Natural Gas Water Heater - Ultra, Commercial, Residential, Indoor, 199000 BTU, 9.8 GPM Max Flow Rate

Lead Free; Delivering Our Most Energy-Efficient Performance, the Ultra Series Features a Condensing Design with Two Heat Exchangers to Maximize Heating Value to Enhance Reliability and Durability and Reduce Maintenance; Allows for Either Concentric Polypropylene or Dual-Pipe PVC/CPVC Venting, Providing the Most Venting Flexibility in a Single Application of any Manufacturer; Faster Hot Water Provided by Integrated Recirculation Pump and Internal Bypass Line with or Without a Dedicated Return Line; Easy Maintenance is Achieved with Included Isolation Valves; Ultra Series Thankless Water Heaters Deliver Innovation and Technological Leadership in Condensing Thankless Water Heating Design; Providing Homeowners with an Endless Supply of Hot Water, Energy Savings, Space-Saving Design and Environmental Benefits, Rinnai Now Offers Faster Hot Water with the New Ultra Series RUR Models Thankless Water Heaters; 12 Year (Residential), 10 Year (Residential and Space Heating), 5 Year (Commercial) Heat Exchanger, 5 Year (Parts), 1 Year (Labor) Warranty

Tankless Water Heater; Type Commercial, Residential, Gas, Indoor; Inlet/Outlet Connection 3/4" Male Threaded x 3/4" Male Threaded; Gas Type Natural; Relief Valve Details Isolation and Pressure Relief Valve Supplied; Venting Type Direct; Electrical Input Supply Rating 120 Volt AC at 60 Hertz, 12 Volt DC, 8 Amp, 205 Watt; Gas Input Supply Rating 15200 to 199000 BTU/HR; Temperature Rating 98 to 140 Deg F (Residential/Commercial); Tank Dimensions 18.5" Width x 10" Depth x 26" Height; Tank Height Including Draft Hood 31.2"; Ignition Type Direct Electronic; Energy Saver Conformance Yes; Options Pump Timer; Inclusions/Features Automatic Frost Protection, Boiling Protection, Combustion Fan RPM Check, Flame Failure-Flame Rod, Over Current Glass Fuse, Remaining Flame, Thermal Fuse, 22 AWG Non-Polarized Two-Core Cable, Temperature Controlled, Water Flow Sensor, Electronic Water Control Device, Integrated Pump; Applicable Standard ANSI Z21.10.3, CSA 4.3, AHRI, CSA (Canada and US), NSF/ANSI 61/372; Gas Connection 3/4" Male Threaded; Energy Factor 0.95; Pressure Rating 20 to 150 PSI; Flow Rate 9.8 GPM; Warranty 12 Year (Residential), 10 Year (Residential and Space Heating), 5 Year (Commercial) Heat Exchanger, 5 Year (Parts), 1 Year (Labor)