To provide a water closet utilizing recycled water, capable of exhibiting excellent resource saving property, economical efficiency, comfort, and the like without causing a problem of pollution or odor of a toilet bowl even when recycled water is used.
A water closet includes: a cone-shaped bowl part 2 receiving dirt and storing standing water; and a trap part 3 communicated with the bowl part 2 through a trap duct 4, discharging the standing water (W1) and the dirt in the bowl part 2 into a drain pipe 5, and storing seal water (W2) for sealing the drain pipe 5. In the water closet, two systems of water supply means are provided: namely, clean water supply means 11 for supplying clean water for washing to the bowl part 2 and recycled water supply means 12 for supplying recycled water for discharge to the trap part 3.
MIYAMOTO TAKAMITSU
Tatsuo Watanuki
Yukine Sekine