Toilet device

A toilet device, comprising:

• a nozzle discharging water toward a human body private part;
• a flow channel connecting a water supply source and the nozzle;
• a heat exchanger located in the flow channel, the heat exchanger warming water supplied from the water supply source;
• and
• a flow channel unit located upstream or downstream of the heat exchanger in the flow channel,
• the flow channel unit including
• a flow rate sensor detecting a flow rate of water, and
• a vacuum breaker suppressing a backflow of water,
• the flow rate sensor including
• a first case part, and
• a sensor part housed inside the first case part,
• the vacuum breaker including
• a second case part, and
• a valve part housed inside the second case part,
• at least a part of the first case part and at least a part of the second case part being formed of a continuous member.