Fluidmaster 400 Float Valve – Automatic Water Level Control Valve
The Fluidmaster 400 Float Valve is a reliable, automatic water level control valve designed to maintain consistent water levels in pools, spas, and water features when used in autofill or make-up water applications. Known for its dependable performance, this valve helps prevent low water conditions that can lead to pump damage, air intrusion, and circulation issues.
Originally engineered for durability and smooth operation, the Fluidmaster 400 features a compact design with adjustable height, allowing it to fit a wide range of autofill systems and enclosures. Its fast-acting float mechanism responds accurately to water level changes, opening and closing smoothly to deliver water only when needed.
Whether replacing a worn valve or servicing an autofill system, the Fluidmaster 400 is a trusted solution used by pool professionals and service technicians.
Why the Float Valve Matters
Maintaining proper water level is critical for safe and efficient pool operation.
Why this matters:
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Prevents pumps from running dry due to low water levels
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Helps maintain consistent circulation and skimmer performance
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Reduces the risk of equipment damage and air leaks
A properly functioning float valve protects your pool system automatically.
Proven, Durable Design
The Fluidmaster 400 Float Valve is built with corrosion-resistant materials suitable for continuous exposure to water. Its quiet operation and reliable shutoff help minimize water waste while maintaining accurate control.
The adjustable height makes it easy to fine-tune water levels to match your pool’s requirements.
Easy Replacement and Installation
This valve is designed for straightforward installation in compatible autofill systems. Most replacements can be completed quickly using existing plumbing connections, making it ideal for routine maintenance or repairs.
Always verify compatibility with your autofill housing or water leveler before installation.
Product Specifications
| Specification | Details |
|---|---|
| Product Type | Float valve |
| Brand | Fluidmaster |
| Model | 400 |
| Function | Automatic water level control |
| Material | Corrosion-resistant components |
| Adjustment | Height adjustable |
| Application | Pool & spa autofill systems |
| UPC / Reference | RP-402 |
| Condition | New |
Buy with Confidence from Benchmark Pool Supply
When you purchase the Fluidmaster 400 Float Valve from Benchmark Pool Supply, you’re getting a proven, professional-grade component trusted in pool autofill systems. Our team stocks dependable replacement parts to help keep your pool operating safely and efficiently.
Benchmark Pool Supply is your trusted source for quality pool equipment and replacement parts.