Auto Fill Mini Float Valve – Keep Your Water Reservoir Filled Automatically

Compact & Reliable Mini Float Valve for Water Level Automation

💧 Free Shipping on All Orders – Hassle-Free Delivery!

Never worry about refilling your water reservoir again with The House of Hydro’s Auto Fill Mini Float Valve 1/2". This small, lightweight valve connects easily to a standard 1/2" water line (like a braided toilet refill line) and automatically maintains your water level to keep your mist makers or humidifiers running smoothly. (NOTE: You can easily use a half-inch adapter to switch the connection size to whatever size you need. 

Designed for inside or outside mounting, this valve is perfect for tight or compact humidifier setups where space is limited. Its unique design has no external moving parts, eliminating the risk of interference with your foggers or other equipment.

✅ Why Choose the Auto Fill Mini Float Valve?

✔ Automated Water Refill – Keeps your reservoir topped up without manual intervention reducing risk of running the water low and damaging your mist maker. 
✔ Compact Design – Ideal for small or space-constrained fogging systems
✔ Inside or Outside Mounting – Flexible installation options to fit your setup
✔ Durable Materials – Made of ABS plastic for long-lasting service
✔ Wide Pressure Range – Works from 10 to 150 psi water pressure
✔ Standard 1/2" Male Thread – Compatible with common water supply lines
✔ Easy Setup – Side input with fixed nut for secure water bulkhead connection

📦 What’s Included

• 1x Auto Fill Mini Float Valve 1/2"

• Free U.S. Shipping on all orders

📊 Product Specifications

• Material: ABS plastic

• Working Water Pressure: 10 psi – 150 psi

• Working Temperature: 0°C – 60°C (32°F – 140°F)

• Thread Size: 1/2" male (fits standard braided toilet refill lines)

• Water Flow Input: Side with fixed nut

⚠ Important Usage Notes

• Always install an emergency overflow system when using any automatic fill float valve indoors to prevent flooding in case of valve malfunction.

• It’s recommended to set the lowest flow rate necessary to keep your reservoir full and avoid water wastage.

This valve is an essential accessory for fully automated, worry-free humidification setups, perfect for home humidifiers, mushroom farms, grow tents, hydroponics, and more.

⚠ Shipping Notes:

• ✅ Free Shipping within the USA on all products.

• 🌍 International customers: shipments outside the USA may incur customs fees, which are not included in your purchase price.