59,000 BTU Hot Water Gas-Fired Boiler Category: Cast Iron Natural Gas, Voltage: 120, Hertz: 60, Phase: 1, Efficiency: 84%, Input BTU: 59,000, Output BTU: 49,560, Gas Connection Size: 1/2", Water Volume (Gallons): 1.9, Mounting Type: Floor Standing, Dimensions: 32-1/8''H x 13-3/8''W x 26''D, Weight: 215 lbs ***Propane Conversion Kit 550003778 (Not Included)*** **Pump Not Included**