Premium Aquarium Auto Top-Off (ATO) Float Valve
Maintain perfect water levels and salinity without lifting a finger using the Mechanical ATO Float Valve System from Atradesen.com. Say goodbye to daily manual top-offs and unreliable electronic sensors! This gravity or RO-fed system operates purely on water buoyancy, automatically and silently replenishing evaporated water.
🌟 Advanced Metal-Free & Zero-Electricity Design
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100% Reef Safe & Metal-Free: Constructed with a food-grade, non-toxic plastic float and silicone seals. With absolutely no metal springs or screws, it will never rust or leach toxins into your delicate marine or freshwater ecosystem.
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Zero Electricity Required: Eliminates the risk of optical sensor failures and burnt-out top-off pumps. The purely mechanical float valve provides the most reliable, foolproof flood protection available.
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Premium Acrylic Bracket: The mounting bracket is laser-cut from high-transparency acrylic and hot-bended for a seamless, elegant look that perfectly matches premium rimless aquariums.
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Quick-Connect RO Port: Features a built-in push-to-connect fitting designed for standard 1/4" (6.35mm O.D.) RO/DI purified water tubing.
⚠️ Mounting Style & Sizing Guide (Crucial!)
Please select the correct mounting style for your specific tank design on Atradesen.com:
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Max Glass Thickness: All brackets feature heavy-duty nylon screws that securely clamp onto glass or acrylic up to 15mm thick.
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Vertical Mount (Standard): Clamps directly onto the vertical side walls of standard Rimless aquariums.
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Horizontal Mount: Designed specifically to clamp onto the flat, horizontal top glass braces (Euro-braces/stretchers) of large aquariums.
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Vertical Mount (Adjustable Height): Clamps on the side wall but features an extended sliding rail, allowing you to fine-tune the float depth anywhere from 10cm to 25cm below the rim.
