Patent ID: 7784341

Claim:
A removable unitary sensing assembly for a liquid container for sensing when liquid reaches a predetermined level, said unitary sensing assembly comprising: a) a sensor tube having an upper end and a lower end; b) a float switch, contained in the lower end of the sensor tube, said float switch having a first open state and a second closed state; c) a liquid feeding tube having a liquid inlet at its lower end and a liquid outlet at its upper end, said liquid feeding tube is in a juxtaposed relationship to said sensor tube such that the liquid inlet of said feeding tube and the lower end of said sensor tube are arranged to be disposed within a liquid container substantially at a liquid level to be sensed; and, d) an energizable electronic alarm attached to said upper end of said sensor tube such that said float switch activates said alarm wherein said float switch switches between its first and second states as liquid in the container reaches a predetermined level.