Can the water bucket overflow if I'm not home? 23 March 2023 03:36 Updated No. All our models have a water float which is triggered to turn the dehumidifier off when the bucket is full. Related articles How long should I run my dehumidifier for? Which dehumidifier is best for me? How do I get the best performance out of my dehumidifier? How to set up and use your Ausclimate premium 10L desiccant dehumidifier Why is my dehumidifier leaking water?