Aquarium water level controllers
prices on 4 modelsWater level controller
— a sensor-based system that monitors the water surface level and controls a pump, valve, or alarm. It is used for automatically topping up evaporated water, protecting equipment from dry running, or preventing overflow—the specific functions depend on the model. When choosing, check the permissible voltage and load, sensor type, number of monitored levels, and whether the materials are suitable for freshwater or saltwater. Even with automation, an emergency limit on the top-up volume and regular sensor checks are required.When you make a purchase through links on our site, we may receive a affiliate commission.
 | Feature: 1. Automatic float valve, based on the new technology platform, completely overcomes many of the traditional shortcomings. 2. Adjustable float always floats in the water, and as the water rises, the float follows, can control the height of the water. 3. Connect to the rod and valve and turn off the water when it reaches a certain position. 4. Non toxic, odorless, large water flow and high efficiency. 5. Easy to install and flexible to adjust, can be installed at any angle. 6. The plastic float valve can automatically start and stop water flow, suitable for reverse osmosis systems, fish aquarium, etc. 7. Suitable for corrosion, chemistry, medical, home, aquarium, etc. Specification: … |  |
 | Feature: 1. The float switch is a liquid level control device with simple structure and easy use. 2. The shell is made of premium PP material, which is resistant to weak acid and weak base. 3. Built in magnetic reed switch, convenient to use. 4. Precision production process, more reliable and stable. 5. Widely used in water plant, food industry, generator equipment, petrochemical industry, shipbuilding industry, machinery and other fields to realize the monitoring and control of liquid and steam pressure. Specification: Item Type: Liquid Level Float Switch Model: P13010 Working Voltage: 0 220V Working Current: 0.5 1A Material: PP (Polypropylene) Working Temperature: 10 +85 degrees C Maximum … | |
 | Features: 1. Made of engineering plastics and electronic components, it is resistant to aging and has a long service life. 2. You can adjust the alarm of high and low water level according to your needs. 3. sound and light alarm, and easy to maintain. 4. Use button batteries for safe and easy maintenance. 5. Put the alarm probe part into the water and adjust the height. When the water level is lower than the water level, the alarm will alarm. Used in aquarium water level monitoring, sump filtration monitoring sump water level and other applications. Specifications: Condition: 100percent brand new Size: Approx Length and width 6.9*5*2cm/2.7*1.96*0 | |
 | Feature: 1. No need for electric float to supplement water. Instead, use atmospheric pressure or water pressure to refill water. 2. Free ascent and descent controlling water level, lifting design for determining the water level you want. 3. Through the principle of tap water pressure, pump pressure and water ball valve limit, the water body of the water tank or domestic tap water can be easily introduced into the water tank. 4. Save time and energy to automatically fill water, do not worry about the changes in fish tank water level. 5. Hands free and automatic limit for water supplement, the height can be freely adjusted within 15cm(5.9in). Specification: Condition: 100percent Brand New Item … | |