FLUID HEATING APPARATUS

摘要

A fluid heating apparatus (1) includes an impeller (50) arranged in a flow detection region (40) in which flow of fluid to be heated by a heater (30) is detected, wherein the impeller (50) includes a blade portion (51), and the blade portion (51) includes a portion curved from a base end side corresponding to a rotational center side to a distal end side corresponding to an outer side, the portion being curved towards a side that is opposite to a rotational direction.