AABCN3-75T75-4NV American Water Heaters 75 Gallon Ultra-Low Nox Light Duty Commercial Gas Water HeaterThe AABCN3-75T75-4NV is an Ultra-Low NOx atmospheric vent commercial gas water heater which meets the thermal efficiency and standby loss requirements of the U. S. Department of Energy and Current Edition ASHRAE/IESNA 90.1Fully Automatic Controls with Safety ShutoffHeavy Gauge Steel JacketGlasslined TankFoam InsulationEasy-to-InstallDraft DiverterMaximum Working Pressure - 150 psiMaximum Gas Inlet Pressure - 14" W.C.Handhole CleanoutAnodic protectionEquipped with gas pressure regulatorIntregral automatic gas shutoff system prevents excessive water temperatureCSA Certified and ASME Rated T&P Relief Valve