Patent ID: 7743936

Claim:
A water heater comprising: a case main body; a front cover for closing a front opening of the case main body; a waterproof packing member interposed between a first inner peripheral flange formed on an inner peripheral edge of the front opening of the case main body and a second inner peripheral flange formed on an inner peripheral edge of a rear end of the front cover; and a water receiver which is located below the waterproof packing member disposed in an upper region and which extends from the first inner peripheral flange of the case main body or the second inner peripheral flange of the front cover, a lower water receiver formed between a rear surface of the front cover and a pocket plate provided on a lower portion of the front cover, wherein the water receiver has a drainage end, and the lower water receiver has an enlarged opening in one side thereof, and the enlarged opening is located nearly vertical below the drainage end.