outlet of the olla 2 is a spigot or faucet 5 through which olla contents i e potable water is allowed on demand of users ancillary basins 6 are not part of this invention but are shown as typical components of standard dispensers used for catching overflows and wasteage electrical power source 7 normally supplies commercial 110 volt 60 cycle power to pump motor 9 through power cord 8 if different voltage or power type is used outlet 7 would be the source of this power current from power source 7 passes through power cord 8 and through the normally closed contacts 10 of reed switch 11 power cord 8 passes through a shell 12 of hard plastic or similar substance through a port 13 drilled through the shell 12 shell 12 fits into a cover plate 14 which in toto is referred to as the dispenser top 15 cover plate 14 is generally circular and formed of tough plastic or hard rubber as is shell 12 cover plate 14 has its lower surface rim 16 contoured to fit the lip 3 or top rim of olla 2 as at 17 cover plate 14 has sensor 18 affixed to its lower surface in the general area of the center of the plate the sensor 18 generally comprises a tubular shell 19 bonded to cover plate 14 at 20 through any combination of attachment means such as clamps or bonding cement to containment devices 21 which containment devices themselves are bonded rigidly to cover plate 14 the bottom of tubular shell 19 is closed except for a port 22 which admits water from the olla inside.