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Help prevent overflow
Automatic shutoff helps keep incoming water from rising beyond the set height.
Water management / Top inlet
Your next favorite find starts here. Discover Automatic Water Level Control Float Valve, Top Inlet Water Shut Off Valve 🛠️ — explore the details and make it yours today.
01 / Automatic level control
This top-inlet float valve mechanically shuts off incoming water when the tank reaches its set level.
Automatic shutoff helps keep incoming water from rising beyond the set height.
Mechanical operation requires no electrical power supply.
Spend less time watching a tank fill and manually stopping the water.
Made for everyday water management
Designed for water tanks, water towers, and cooling circulation systems in farm, workshop, and industrial settings.
A straightforward mechanical approach to everyday water management.
02 / Before you choose
Start with the connection and operating conditions of your existing system.
Compare your connection with the listed 0.79-inch and 0.98-inch options.
Confirm both thread type and size before choosing a valve.
Check that your intended installation accommodates a top-inlet valve at the required water level.
Compare your operating conditions with the stated hot-water limit of 100°C.
03 / Inside the design
The valve combines buoyancy-based shutoff with a stainless steel body.
A buoyancy-based mechanism controls automatic water shutoff.
The specified body material provides a corrosion-resistant structure.
The incoming water connection uses the top-inlet layout identified for this valve.
A roll of PTFE tape is supplied to help seal threaded connections.
04 / Applications
Choose an application that matches the valve's connection and operating requirements.
Control incoming fill water at the tank's set height.
Use mechanical level control in a compatible water tower setup.
Manage water replenishment in a compatible cooling system reservoir.
05 / Material and operation
Its strongest features address power access, water exposure, temperature, and installation.
The level-control mechanism operates without an electrical connection.
The corrosion-resistant body suits humid, water-rich working environments.
The stated temperature support extends to water up to 100°C.
Select the listed connector size that matches your installation requirements.
06 / Everyday use
Two grounded settings where automatic fill shutoff can simplify routine work.
During a tank fill, the valve stops incoming water at the set height, reducing the need to watch the entire refill.
For a compatible workshop water setup, mechanical control handles the fill stopping point without needing electrical power.
07 / Maintenance and planning
Consider this valve when planning maintenance, a replacement, or a new installation.
Consider automatic shutoff when reviewing how your existing storage tank fills.
Compare connector size, thread type, and inlet layout with the valve being replaced.
Account for top-inlet placement and the intended water height before installation.
08 / Find your fit
Match the connector and thread requirements of your system before selecting.
Choose this listed option when its size and thread specification match your connection.
Choose this listed option when your installation calls for the larger connector and matching threads.
09 / Who it is for
A practical option for compatible storage and circulation setups.
For managing fill levels in farm water storage tanks.
For a compatible water tank that currently needs manual fill supervision.
For assessing a mechanical shutoff upgrade to a workshop reservoir.
For evaluating level control in water towers and cooling circulation systems.
10 / Product specifications
11 / Questions and answers
No. It uses a mechanical, buoyancy-based mechanism to shut off incoming water.
The valve shuts off incoming flow when the water reaches the set height.
The stated hot-water limit is 100°C / 212°F. Check the requirements of your complete system before use.
Compare the listed 0.79-inch and 0.98-inch options with your connection. Verify thread type as well as size; the size label alone does not establish NPT compatibility.
Yes. A roll of PTFE thread sealing tape is included to help form sealed threaded connections.
The listed applications include water tanks, water towers, and cooling circulation systems, subject to connection and operating compatibility.
Mechanical control. Everyday practicality.
Bring mechanical automatic shutoff to a compatible water setup with a SUS304 stainless steel, top-inlet float valve.
Available with a 0.79-inch or 0.98-inch connector.