A dispensing assembly for a refrigerator appliance is provided. The dispensing assembly includes a tank that defines a fluid chamber and a heating element for heating fluid within the fluid chamber. An inlet conduit directs liquid into the fluid chamber, a first outlet conduit directs liquid out of the fluid chamber, and a second outlet conduit directs gas out of the fluid chamber. The dispensing assembly also includes valves for regulating fluid flow through the inlet conduit and the first and second outlet conduits.