BOILER

摘要

The present invention relates to a boiler. More specifically, the boiler comprises a boiler case having a first heating water inlet and a first heating water outlet. According to the boiler where the boiler case is installed in a wall, a water tank is installed in an upper portion of the inside of the boiler case, and a controller is installed in the water tank. Moreover, a circulation pump is installed in a lower portion of the inside of the boiler case, and a heating water heater is installed in the lower portion of the inside of the boiler case. A cover has a plurality of first insertion holes.