Steady Hot Water-Delivers 40 gallons of hot water in the first hour;HUD Compliant-Approved for use in mobile homes/manufactured housing;Durable Heating Elements-Screw-in, direct immersion, commercial-grade heating elements for maximum efficiency;Space-Saving Design-Side water connections for ease of installation in mobile home applications;Corrosion Protection-Patented Blue Diamond glass tank lining protects against corrosion;Auto-Cleaning Feature-DynaClean automatic cleaning system protects against sediment build-up;Long-Lasting Anode-Stainless steel CoreGard anode rod protects against corrosion longer than ordinary anodes;Simple Drainage-Commercial-grade brass drain valve for durable and easy operation;Factory-Installed Relief Valve-CSA certified and ASME rated T&P relief valve is factory-installed;Peace of Mind-6-year limited tank and parts warranty for added peace of mind