Double pots and pans downpipe divided into two downpour bowl, will be the downpour bowl mouth set on a dense ring with a convex face of the basin into the basin holes, set the upper and lower mouth gasket fastening nut tighten, choose a side of the installation of the Tee, put a good gasket screwed, Tee transverse side of the hose with a good sealing gasket to the Tee and the other basin connected to the tightening of the water inlet and a good gasket to connect the Tee under the mouth of the tightening of the four-way fasteners, Tee of the fork of the pipe connecting the overflow, the other side of the overflow port to the sealing gasket and the basin overflow port to be correct, and finally the downstream outlet section hose put into the downpour. The other side of the overflow port to the gasket and basin overflow port to the right screws into the screw, tighten with a screwdriver, and finally put the downstream water out of the Department of the hose into the downpipe on it, in order to prevent the anti-odor can be wrapped with tape to seal the joints