Enables the connection of two drain hoses, e.g. double connection for washing machine and dishwasher to one trap connection. Adapter turns a single connection into a double connection: ideal if several appliances with a waste water connection are to be connected to one siphon. Seal ensures protection against leaking water. Simple, secure installation: hose clamps secure the drain hoses firmly to the double appliance connection, union nut for screwing the adapter to the siphon. Hose connection Y-adapter 19 - 23.5 mm is suitable for hoses with an internal dimension of 19 - 23 mm. Thread identification/nominal width/mm 1" (DN:25) 33.7 mm. With 2 hose clamps 20 - 32 mm.