It is an object of the present invention to provide a boiler having a scale collecting part in the boiler having a scale collecting part in an outlet side flow path of the heat exchanger to remove the scale of water supplied from the heat exchanger and to prevent failure due to scale. There is this. The boiler having a scale collection part of the present invention for realizing this, the boiler according to the present invention includes a heat exchanger for heating incoming water, a water inflow path through which the water flows to the heat exchanger, and the heat exchanger heated in the heat exchanger. and a heating water supply path through which heated water flows to a heating water supply source, and a scale collection unit provided on the heated water supply path to collect scale generated in the heat exchanger.
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