associated with the drain closure device 32 to open and close the bottom drain 14 the drain closure device 32 is of many types as one example and as shown in fig4 and 5 the drain closure device 20 has a stopper 38 with a stem 46 extending therefrom that is slidingly received in a nut portion 42 of a strainer body 30 the stem 46 is positioned within a hollow sleeve 44 wherein the shaft or a stem 46 that extends above and below the sleeve 44 and has an upper end connected to the stopper 38 and a lower end that terminates in a head 52 as another example as shown in fig6 and 7 the drain closure device is a flap 73 that is movably connected to the bottom of the strainer body 30 the actuating member 21 is of many types such as a solenoid a motor or the like in one example the actuating member 21 comprises a solenoid piston 58 having a main body 60 with first and second magnets 62 positioned at opposite ends of the main body 60 a conical tip 66 extends from one end of the main body 60 and engages the head 52 of the stem 46 the actuating member 21 is slidably received within a housing 56 that is in communication with conduit 35 such that a rim 57 supports the main body 60 the drain conduit 35 is of any configuration including those shown in fig3 6 mounted around the housing 56 is a coil 68 that is located exterior to both the.