Patent ID: 7521639

Claim:
A safety switch for sensing the level of water in a condensate pan comprising: a. an attachment section for attaching the safety switch to an edge of the condensate pan; and b. a float probe connected to the attachment section for extension into the condensate pan and comprising: i. a hollow elongated housing with a float movable therein; ii. an inlet opening for allowing water in the condensate pan to flow into the hollow elongated housing; and iii. a switch mounted in a separate watertight compartment adjacent the elongated housing, wherein the switch is not subject to the environment in the condensate pan, wherein movement of the float in the hollow elongated housing activates the switch to sense the level of water in the condensate pan and wherein the float probe is adjustably connected to the attachment section so that the float probe can be adjusted to a desired level and inclination with respect to the attachment section and thereby the float probe can be located at a desired level and inclination within the condensate pan.