Can the water bucket overflow if I'm not home? 23 March 2023 03:39 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? How do I use the continuous drainage feature? How do I use the continuous drainage feature? Ausclimate dehumidifier user manuals How do I set my dehumidifier target humidity?