in an open position water is allowed into the tap 10 through the inlet now if the shower 30 is in a closed position the water will come out from the first outlet 121 because of the bifurcation device 20 if the shower 30 is in an open position the water will come out from the shower 30 instead of the first outlet 121 because of the bifurcation device 20 referring to fig2 the tap 10 includes a handle 11 that can be operated in order to switch the tap 10 between the closed position and the open position the bifurcation device 20 includes a housing 21 a core 22 a first valve 23 a second valve 24 a fastener 25 a spring 26 and a cap 27 the housing 21 includes an upper section a lower section and a middle section a seal 211 is put around the upper section of the housing 21 a seal 212 is put around the lower section of the housing 21 a plurality of apertures 213 is defined in the middle section of the housing 21 a plurality of recesses 214 is defined in an internal side of the upper section the core 22 includes a first groove 221 defined in the periphery thereof a second groove 222 defined in the periphery thereof and a boss 223 formed at an end the first valve 23 is put in the first groove 221 of the core 22 before the core 22 is inserted in the.