Patent ID: 7826725

Claim:
A water level sensor for a steam humidifier, the water level sensor comprising: (i) a plurality of conductive probes, the plurality of conductive probes including at least one common probe and a plurality of water level probes, each of the conductive probes being separated from each other conductive probe; and (ii) a non-conductive overmolding defining a flange that is configured to seal an opening in a tank of the steam humidifier, wherein each of the plurality of conductive probes includes an inwardly extending portion that extends from the flange and inwardly toward a tank of a steam humidifier, the non-conductive overmolding extending over and covering a majority of the inwardly extending portion of each of the conductive probes; and the non-conductive overmolding also defining an electrical connection point configured to receive an electrical connector for providing electrical connections to each of the conductive probes.