Standard Features - Bradford White ICON System - Compatible With Optional Accessory Packages - Closed Combustion Venting System - Cast Aluminum Air Intake Boot - Horizontal and Vertical Venting - Optional Concentric Vent Kit Termination - Flammable Vapor Sensor - Factory Installed Hydrojet Total Performance System - Vitraglas Lining - 2" Non-CFC Foam Insulation - Water Connections - Factory Installed Heat Traps - Protective Magnesium Anode Rod - T&P Relief Valve - Low Restriction Brass Drain Valve