A Hatco 02.40.045.00 Probe monitors the water level in the reservoir of a merchandiser or hot water heater so the water doesn't evaporate, protecting the unit from damage and lowering the risk of fire.
The Hatco 02.40.045.00 Probe detects water level or operating state so the control system can manage heating, dispensing and low-water safety functions. Its 90-degree bent design supports proper placement within the unit, which matters for consistent sensing and dependable safety interlock performance.
The Hatco 02.40.045.00 Probe may be failing if the unit is overflowing, not heating, not working, not dispensing water properly or showing a low water error or error 3 code. You might notice the water probe is not sensing, the low water probe is not detecting water, an intermittent open condition or a burnt 4 wire connector, which may be addressed by installing a real OEM replacement for more dependable operation.
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