A. O. Smith® Tankless Residential Ng Water Heater

A. O. Smith® Tankless Natural Gas Water Heater For Retrofitting Existing Tank-Style Installations To Tankless By Using Standard 0.5" Gas Line Installation Must Have Drain For Condensate And Ability For Direct Venting Uses Standard 0.75" Water Connections Durable Heat Exchangers With Copper Primary And Marine-Grade 316l Stainless Steel Secondary To Protect Against Corrosion Electronic Ignition With No Pilot Light Flow Rates Up To 6.6 Gpm 120,000 Btu Complies With All Nox Regulations Available Nationwide Includes Factory-Installed Power Cord Power Direct Vent Design Up To 70' With 3" Pvc Or 100' With 4" Pipe 22.88h X 13.88w X 10.81"D 0.93 Energy Factor MFG# ATI-140H-N