30 Gallon, Mobile Home, Sealed-Combustion, Natural Gas/Propane Water Heater, 30,000 BTU, Low Nox Emissions, Eco-Friendly Green Choice Gas Burner Reduces Nox Emissions By 33%, Piezo Igniter Allows For Easy 1 Hand Pilot Ignition Without Matches, Pex Dip Tube, Glass Lined Tank With Anode Rod Protects Against Corrosion, Non-CFC Foam Insulation, Factory Installed Pex Polymer Lined Heat Trap Nipples, Factory Installed Temperature & Pressure Relief Valve, Side Taps For Easy Installation, Water Connection Is Located At The Top Of The Tank, Water Connection Size: 3/4", Vent Size: 3", Rated Storage Volume: 29, First Hour Rating: 60 Gallons, UEF: 0.61, EF: 0.63, Unit Dimensions: 58"H x 18"D, Meets HUD Requirements For Manufactured Housing, 6 Year Limited Tank & Parts Warranty, 1 Year Labor Warranty, For Use With Roof Jack Vent Kit, TV #219-820, Not Included, But Required For Installation.