In this guide today, we are here with our in-depth review of the best water tank float valves. There are plenty of choices with multiple websites and therefore difficult to choose the best one. We recommend to read the guide and choose the one that suits your need as we review products based on the various options, features, price, quality and many more . To avoid this dilemma, we recommend to read this guide and review. It gives you insider information on how to choose the best water tank float valves for your needs and budget.
This is the ultimate buyers guide water tank float valves.
Our Top Picks
The Best water tank float valves
Trough-O-Matic® Stock Water Tank - Little Giant - Float Valve Controlled Watering Tank with Plastic Housing (Item No. TM825)
$17.99
in stock
18 new from $17.22
Amazon.com
as of July 8, 2025 11:13 am
Features
- Float Valve automatically controls water level for most plastic and metal stock tanks, troughs, barrels, and pans
- Flows up to 245 gallons per hour, operates between 20 and 50 psi
- High-grade polystyrene housing
- Accepts a standard 3/4 inch garden hose
Hudson Valve V Hudson Tank Valve for Livestock - 718H , Black
$30.84 in stock
7 new from $30.84
2 used from $31.34
2 used from $31.34
Free shipping
Amazon.com
as of July 8, 2025 11:13 am
Features
- EASY INSTALLATION: The Hudson Water Valve is very easy to install. It can be installed directly onto your existing plumbing or you can use a Hudson Mounting Bracket and a standard garden hose.
- APPLICATIONS: With limitless applications, this valve is perfect for aquariums, car washes, evaporative coolers, fountains, irrigation systems, pond auto fill, swimming pools, livestock tanks, and more!
- SPECIFICATIONS: 1" FNPT connection and is made from durable ABS plastic. Measures 3-3/4" in diameter by 5" in height. Max Pressure: 100 psi. Temp. Range: 0 to 150°F. Flow Rate 5 to 40 GPM.
- FEATURES: This Hudson float valve features no lever arm, no exterior moving parts, no float ball, and installs in seconds. It's indestructible, freeze-resistant, anti-siphon, rustproof, and high volume!
- DESIGN: The compact Hudson Valve uses a design that closes with water pressure, eliminating bulky levers and balls. It fits in tight spaces and can be discreetly tucked away.
Mueller Industries 109-814 Float Valves, 0.75 Inch
$24.00 in stock
18 new from $19.03
1 used from $20.46
1 used from $20.46
Amazon.com
as of July 8, 2025 11:13 am
Features
- Dual inlet thread for connecting pipe and locknut
- High tensile serrated arms
- Machined flange for support against tank wall
- Bronze finish
- Dual inlet thread for connecting pipe and locknut, high tensile serrated arms, locknut included with male inlet valves
Little Giant Trough-O-Matic® Stock Water Tank Anti-Siphon Float Valve Controlled Watering Tank with Aluminum Housing (Item No. TM830AS)
$32.99 in stock
7 new from $32.98
Amazon.com
as of July 8, 2025 11:13 am
Features
- Float Valve automatically controls water level for most plastic and metal stock tanks, troughs, barrels, and pans
- Flows up to 245 gallons per hour, operates between 20 and 50 psi
- Durable aluminum housing
- Accepts a standard 3/4 inch garden hose
- Also available in plastic housing (Item No. TM825, sold separately)
2Pcs Brass Float Valve 1/2" Supply Tube Automatic Fill Water Adjustable Float Ball Valve with Adjustable Arm Water Float Valve for Livestock Waterer, Aquariums,Ponds, Aquaculture, Hydroponics
$19.99 in stock
2 used from $16.16
Free shipping
Amazon.com
as of July 8, 2025 11:13 am
Features
- NO LEAKAGE:Rubber gasket of water float valve can prevent water leakage.The pond float valve working pressure is 30-50 psi.
- EASY TO USE:The water level can be adjusted by metal wing nut.When the water level rises to a certain level, the water injection will be cut off;when the water level drops,the water is automatically injected.
- SOLID BRASS:The pool auto fill float valve is made of solid brass and highly quality plastic ball which is sturdy and rustproof.
- APPLICATION:The brass float valve is suitable for chicken waterer,automatic waterer,goat/cow/dog/pig water trough,fountains,ponds,pool,aquariums,animal automatic waterer bowl,barrel,bucket.
- PACKAGE and SERVICE: You will receive 2 pieces water float ball valves and 1 roll plumber's tape.The float ball valve can only work properly if the water pressure is appropriate. We promise to provide every customers with satisfying shopping experience.
IMXMI 1" Tankbuddy Valve PumpBuddy High Flow Large Water Discharge 25mm Float Valve Double Water Level and Adjustable Water Level (TB25)
$53.59
in stock
Amazon.com
as of July 8, 2025 11:13 am
Features
- 1.The TANKBUDDY VALVE is patented product, It is ideal for water tanks which are filled by running water or a pressure system controlled by water pump. The valve gives a level difference which is adjustable from 50mm up to 2.5m to minimise starting and stopping of running water or the pump system(Level difference accept Customization).
- 2.APPLICATION：water tank、water tower、water pool、Irrigation、 animaldrinking、Sprayequipment、swimmingpool etc.
- 3.WORK PRINCIPLE：It fits easily through a thin walled tank or screws into a threaded tank inlet.As the tank empties,the float travels down the cord until it hits the level topper.The valve then opens immediately to give a full flow.As we discharge te water, the valve now runs constantly and the float rises until it hits the level adjuster. This lifts the arm and the valve shuts down.
- 4.ADVANTAGE：High flow, Start and stop levels can be easily adjusted to give water level differentials from 50mm to 2.5 m, Keeps pump operation to a minimum, Valve Seal Access System for quick access to valve seal, Ideal for all makes and models of tanks, Available inlet sizes.
- 5.Instruction is included in the package. You can install and use it according to the instruction. If you have any after-sales questions, please feel free to contact us.
Rubbermaid Commercial Products Stock Tank Float Valve, Monitors Water Level Consistency, Compatible with all Stock Tanks
$36.53
in stock
20 new from $36.53
1 used from $35.87
1 used from $35.87
Free shipping
Amazon.com
as of July 8, 2025 11:13 am
Features
- FLEXIBLE-USE: Works with all Rubbermaid Commercial Products Stock Tanks
- BUILT TOUGH: Designed for superior performance and long-lasting durability in all kinds of weather extremes
- RELIABLE: Maintain a consistent water-level through all four seasons
- DIMENSIONS: Measures 9-inches length by 6-1/4-inches height
- COLOR: Black
Float Valve for Water Tank Stainless Steel Float Ball Valve 3/4 Inch DN20 Floating Ball Valve Switch Automatic Brass Toilet Valve Float Valves for Stock Tank Pool Water Level Control (2)
$19.99
in stock
Amazon.com
as of July 8, 2025 11:13 am
Features
- Work Well: the metal float valve consists mainly of a curved arm and floating ball, well made and useful, nice for cutting, distributing and changing the direction of medium flow, and you can use it to control the level of water in a water tower or pool
- Long Service Life: this floating ball valve is made of brass and stainless steel, sturdy and solid, reliable and serviceable to use, not easy to break, deform or bend, with nice corrosion resistance, able to be applied for a long time
- Where to Apply: these float water valve have a wide range of applications, practical to use, suitable for water tanks, water towers, boiler machines, rice steamers, water pumps and other places you want
- Well Sealed: the water tank float switch features a rubber seal, with nice flexibility, not easy to tear or wear, high temperature resistant, playing a fine sealing role; Meanwhile, its float rod can be adjusted, simple to use
- Enough to Use: this package provides you with 2 pieces of float ball valves, whose model is DN20, thread is about 3/ 4 inch, applicable medium is water, able to withstand temperature of 0-50 degrees, sensitive and flexible, enough for you to use and replace
MACGOAL Water Float Valve with Adjustable Arm, Grey Float Ball Valve 3/4 Float Valve for Water Tank Livestock Waterer
$12.85
in stock
Amazon.com
as of July 8, 2025 11:13 am
Features
- Durable Material: This float valve is made from high quality engineering plastic ABS and PE (Polyethylene) for corrosion resistance
- Convenient Design: Rubber washer ensures a tight, leak free kit; adjustable arm with over 180 degrees of adjustment range; PVC Screw for adjustable arm prevents rust and oxidation
- Shut Off Float Valves: This float ball valve can automatically fill your tank/pond with water and will completely shut off the water if the set water level is reached
- Thread Size: 3/4" thread, very easy to install and adjust water level
- Versatile: Works great for water trough, humidifier, fountain, aquarium, pond, chicken/dog/horse/cattle waterer, etc
Float Ball Valve, 1/2 Inch Supply Tube Male Automatic Fill Feed Humidifier Tank Water with Adjustable Arm for Ponds, Livestock Water Trough, Aquariums, Aquaculture, Hydroponics and Reservoir (2 Pack)
$12.99
in stock
Amazon.com
as of July 8, 2025 11:13 am
Features
- Package includes: 2 packs tank float valves, spend less time filling and checking the water tank to protect the plants from drying
- No power or pump required: the water float ball valve is suitable for low pressure gravity feeding systems, no leak operation is achieved by hand tightening
- Material: the mini float valve is sturdy with adjustable arms, made of hard ABS, will not corrode or rust
- Size: the floating valve has a 3/4 NPT pipe thread; This is very common in the pipeline world, the thread size is approx. 3/4 inch with standard gaskets to eliminate leakage
- Applicable environment: the water trough float valve is suitable for ponds, chickens, livestock sinks, aquariums, Aquaponics, aquaculture, hydroponic tank reservoirs
The Video Review of Best water tank float valves
Conclusion
When you’re looking for water tank float valves, you’ll want to keep a few things in mind. First, decide what you want to use the water tank float valves for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on water tank float valves you want to buy water tank float valves, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.