the air system due to tank overflow or a leak in the system will run out through the duct system before reaching the electrical components the present system provides a water trap air vent combination which does not rely on running water to refill the trap application_number US 25478488 A description in the embodiment of the present invention as shown in fig1 through 5 there is provided a toilet 10 having a toilet stool 12 and holding tank 14 the stool 12 includes a toilet bowl 16 having a flush ring 18 formed at the upper end the flush ring 18 is provided with a plurality of openings 20 which communicate with the upper end of the bowl 16 and allow fresh water to be flushed into the bowl 16 from flush ring 18 the bottom of the toilet bowl 16 opens into a conventional internal waste discharge duct 22 which in turn is connected at its discharge end to a sewer pipe 24 the waste discharge duct 22 includes a conventional siphon portion 26 positioned behind the toilet bowl 16 and below the holding tank 14 a duct 66 also communicates with the lower end of discharge duct 22 as described hereinafter the flush ring 18 in the upper end of the toilet bowl 16 is connected to a water feed conduit 28 extending rearwardly.