Refrigerator having apparatus to produce carbonated water

A refrigerator comprising:

• a body;
• a storage compartment formed in the body and provided with an open front;
• a door to open and close the open front of the storage compartment;
• a carbonated water production module provided with a module case detachably arranged at a rear surface of the door to produce carbonated water,
• wherein the carbonated water production module comprises
• a first module having a carbonated water tank to produce carbonated water and a first accommodation space to accommodate the carbonated water tank;
• and
• a second module having a carbon dioxide gas cylinder to supply carbon dioxide gas to the carbonated water tank and a second accommodation space to accommodate the carbon dioxide gas cylinder, the second module being arranged at a lower side of the first module.

A refrigerator comprising:

• a body;
• a storage compartment formed in the body and provided with an open front;
• a door to open and close the open front of the storage compartment;
• a water tank to store purified water;
• a carbonated water production module to produce carbonated water;
• and
• a dispenser arranged at the door to allow the carbonated water or the purified water to be dispensed at an outside of the refrigerator without opening the door,
• wherein the carbonated water production module comprises
• a carbon dioxide gas cylinder having carbon dioxide gas stored therein;
• a carbonated water tank to mix the purified water with the carbon dioxide gas to produce the carbonated water;
• and
• a module case provided with an accommodation space to accommodate the carbon dioxide gas cylinder and the carbonated water tank, the module case being detachably coupled to a rear surface of the door.