Dishwasher

A dishwasher including:

• a tub having a washing chamber, the tub including:
• an upper bottom wall;
• a lower bottom wall having an opening formed therein;
• and
• a connecting sidewall extending vertically to connect the upper bottom wall and the lower bottom wall;
• a sump housing coupled to the tub, the sump housing including:
• a guide wall radially extending to guide a movement of wash water discharged from the opening;
• an inner flange protruding from the guide wall toward the upper bottom wall of the tub;
• and
• an outer flange disposed at an outside of the inner flange and spaced apart from the inner flange to form a locking groove;
• and
• a sealer configured to seal between the tub and the sump housing, the sealer including:
• a sealing body disposed between the connecting sidewall of the tub and an inner peripheral surface of the inner flange;
• and
• a hook inserted into the locking groove and protruding toward an outer peripheral surface of the inner flange to fix the sealing body.