Overflow sensor assembly in temperature control systems

An overflow sensor assembly of a heating, ventilation, and air conditioning (HVAC) unit, the overflow sensor assembly comprising:

• a sensor mounting bracket configured to attach to a mounting surface on the HVAC unit and suspend a first sensor probe and a second sensor probe within a condensate drain pan of the HVAC unit,
• wherein the first sensor probe defined by a portion of the sensor mounting bracket and configured to be electrical communication with a power supply,
• wherein the second sensor probe defined by a termination of a wire that is coupled to the sensor mounting bracket using wire tabs and configured to be in electrical communication with ground,
• wherein when the portion of the sensor mounting bracket and the termination of the wire come in contact with a condensate fluid, the portion of the sensor mounting the bracket and the termination of the wire are configured to activate an overflow detection circuit comprising at least the condensate fluid.