Automatic Float Valve | 304 Stainless Steel Water Tank Shutoff
Automatic Water Level Control Float Valve – 304 Stainless Steel
Keep your water tank, reservoir, or pool at the perfect level — hands-free and without any electricity. This compact stainless steel float valve automatically opens to fill when the water level drops and closes to stop the supply when it rises back up. Built from food-grade 304 stainless steel, it's tough, corrosion-resistant, and safe for use with drinking water systems in homes, restaurants, farms, and beyond.
Key Features
- Compact & High Capacity: Small footprint with impressive water output — outperforms traditional plastic float valves.
- Fully Automatic Operation: No electricity or manual adjustment needed. The float ball mechanism regulates water supply in real time.
- Food-Grade 304 Stainless Steel: Safe for potable water systems. Durable construction resists friction, impact, high temperatures (0–100 °C), and corrosion.
- Wide Applicability: Ideal for water tanks, water towers, reservoirs, swimming pools, solar water heaters, livestock troughs, and more.
- Easy DIY Installation: No special tools or professional plumbing required. Simply thread it into your inlet and connect — ready in minutes.
Specifications
| Material | Food-Grade 304 Stainless Steel |
| Applicable Temperature | 0 – 100 °C |
| Pressure Range | 0.2 – 8 kg |
| Thread Sizes Available | 1/2" or 3/4" (optional) |
| Dimensions (1/2") | 90 × 48 mm / 3.54 × 1.88 in |
| Dimensions (3/4") | 20 × 25 mm / 0.78 × 0.98 in |
| Country of Origin | Made in China |
What's in the Box
- 1 × Float Valve (Faucet)
- 1 × Connector
- 1 × Thread Seal Tape
Note: Due to monitor and lighting variations, the actual product color may differ slightly from images. Please allow ±1–2 cm measuring deviation due to manual measurement.
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Frequently Asked Questions
Q: What is a float valve and how does the automatic water level control work?
A: A float valve uses a buoyant ball attached to a valve mechanism inside a water tank or reservoir. When the water level drops, the ball descends and opens the valve to allow water to flow in. As the water rises back to the set level, the ball lifts and closes the valve, stopping the supply automatically — no electricity or manual adjustment required.
Q: Is this stainless steel float valve safe for drinking water systems?
A: Yes. The valve is constructed from food-grade 304 stainless steel, which is widely accepted for use in potable water applications. It does not leach harmful substances and is suitable for home water tanks, kitchen systems, and restaurant water supplies.
Q: What thread size should I choose — 1/2" or 3/4"?
A: Choose based on your existing inlet pipe size. The 1/2" size is suitable for standard household water tanks and smaller reservoirs, while the 3/4" size handles higher flow rates and larger tanks. When in doubt, measure your inlet thread diameter before ordering.
Q: Can this float valve be used outdoors or in high-temperature environments?
A: Absolutely. Thanks to its 304 stainless steel construction, this valve is waterproof, corrosion-resistant, and rated for temperatures from 0 °C up to 100 °C, making it suitable for outdoor tanks, solar water heater systems, and other demanding environments.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.