110,000 BTU Hot Water Gas-Fired Boiler Category: Condensing Natural Gas, Voltage: 120, Hertz: 60, Phase: 1, Efficiency: 95%, Input BTU: 110,000, Output BTU: 104,500, Gas Connection Size: 3/4", Water Volume (Gallons): 2, Mounting Type: Wall-mounted, Dimensions: 26''H x 21-3/4''W x 16-1/2''D, Weight: 75 lbs ***Propane Conversion Kit (Included)***