supply lines and the second one utilizes a water tank as the source the water tank 17 is concealed in the body of the unit 10 the two water supply sources are joined together at a valve assembly 13 which then connects to a channel buried in a gear shaft 20 and a spray head 19 a valve assembly 13 controls which water source should be used to supply water and the rate of water flow in addition the gear shaft 20 is rotatable about an axis 57 which is at a prescribed angle relative to the plane of the toilet seat 61 to which the apparatus 10 is attached residue or excess water in the bidet is drained through a connecting line 23 an extending line 18 and a drainage nozzle 48 referring to fig3 and 4 in detail concerning the operation of the bidet apparatus and the water passageway water is supplied to the apparatus from available hot and cold water hoses 21 22 hot and cold water is delivered to a valve assembly 13 through inlet 50 and 51 respectively by adjusting a mixing valve 27 on the valve assembly 13 the hot and cold water is mixed in a prescribed ratio which is set by the user through temperature adjusting handle 54 to achieve desired water temperature when a ball valve 26 turns open through a handle 53 mixed water flows out from a water outlet connector 25 of the valve assembly 13 to the inlet 49 of a channel in the middle of a gear shaft 20 mixed water is then dispensed through a spray head 19 the ball valve 26 is also used to control the rate of water flow into the bidet and the rate of water dispensed through a.