AO Smith AO Smith 6.6 GPM Residential/Commercial Condensing Natural Gas Indoor Tankless Water Heater with 160000 Maximum BTU Input

Features:Never run out of hot water again with a steady 6.6 GPM flow rateConveniently mounts to your wall for a low profile installationFeatures a built-in temperature controller and factory installed power cordCan be used with either Category III or IV power direct venting in either a 3" or 4" sizeElectronic ignition ensures you never have to mess with a pilot light againComplies with lead-free standardsProtected by a multitude of built-in safety features such as an overheat cutoff fuse, constant temper...