‘Water Heater, Condensing Tankless, Gas Connection (In.) 3/4, Gas Type Natural, Input (BTU) 11,000 -199,900, Ignition Type Electronic, Draft Hood Size (In.) 3, Energy Factor .94, Depth (In.) 9-3/4, Width (In.) 18-1/2, Height (In.) 27-1/2, Water Connection (In.) 3/4, 8.4 GPM @ 45F Rise, 4.2 GPM @ 90F Rise, Manufacturers Warranty Length Limited Warranty, 12 Year on Heat Exchanger, 5 Year on Parts, For Use With Water’