The Vertical Co-Axial Direct Vent Gas Water Heater for Manufactured Housing--------------------------------------------------------------------------------Available Capacities:40 and 50 gallon modelsAvailable Warranties:5-year limited tank warranty: 1-year limited parts warranty--------------------------------------------------------------------------------Features:Installed side mounted T&P valve No external vented door is required Can be placed anywhere in the home Field convertible controls for natural gas or LP operation 3/4" top connections for hot and cold Venting system eliminates the need to cut a hole in the floor Piezo ignitor - easy light pilot