13 Models, 6 Floor Mount, 7 Wall Mount 95% AFUE Efficiency Energy Star® Compliant CON·X·US® Remote Connect Capable Up to 10:1 Turndown Ratio 15/5 Warranty - Limited 15 Yr. Heat Exchanger, Limited 5 Yr. Parts ECM Variable Speed Pump Universal Vent Adapter 110 Volt Convenience OutletWebsite Brochures_Info\Lochinvar_Knight.pdf