The Star Mfg WS-503713 Sensor Probe, Autofill helps maintain consistent liquid levels by accurately detecting and signaling refill needs in compatible equipment. This component is designed as a sensor probe used in autofill systems to monitor fluid presence and ensure proper operation. It works by detecting when liquid reaches or drops below a set level, sending a signal to activate or stop the autofill process as required. This controlled response helps prevent overfilling or running equipment dry. The probe supports reliable system performance, reduces manual monitoring, and helps maintain operational efficiency. Its straightforward design allows for easy integration into existing systems and dependable, routine use in commercial environments.