To provide a forced circulation type bath hot water supply machine shortening automatic hot water pouring time to a bathtub.
This forced circulation type bath hot water supply machine 1 is provided with a hot water combustion part 2a having a hot water heat exchanger 3a capable of supplying hot water to the bathtub 9 and a reheating combustion part 2b having a reheating heat exchanger 3b connected to the bathtub 9 via a circulation water passage 8. The machine 1 is provided with a bathtub hot water pouring operation mode for pouring hot water from the circulation water passage 8 to the bathtub 9 after simultaneously operating the hot water combustion part 2a and the reheating combustion part 2b and heating hot water by both of the hot water heat exchanger 3a and the reheating heat exchanger 3b when supplying hot water to the bathtub 9.
OTSUKA MINEO
WATANABE SHIGEO
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