Auto Shutoff Kit with Float Valve for RO Systems – Reservoir & Tank Auto-Fill Stop | Osmotics UK

Automate safe, overflow-free filling of storage tanks or reservoirs with this complete auto shutoff kit with float valve from Osmotics. Designed for reverse osmosis (RO/RODI) systems, this kit uses a mechanical float valve to detect when your collection vessel is full, then triggers the auto shutoff pressure valve to stop feed water input and halt waste water production—saving water, preventing spills, and protecting your RO unit from unnecessary runtime.

Perfect for UK users storing large volumes of pure water (e.g., reef/marine aquariums with ATO reservoirs, professional window cleaning buckets, car detailing rinse tanks, or home drinking water bulk storage). It provides reliable, hands-free operation without electronics—ideal for open containers where pressure tanks aren't used.

Important Compatibility Note:

• For non-boosted RO systems (standard tap pressure): This kit works standalone.
• For systems with a booster pump: You must add our High Pressure Switch to cut power to the pump when the tank fills (prevents dry-running or overpressure). The float valve alone stops feed water but doesn't stop the pump—pairing with the switch creates full automation.

What's Included

• 1 × Float Valve (tank-mountable for level detection)
• 1 × Auto Shut Off Pressure Valve (shuts off feed water and waste line when pressure builds)
• 1 × RO Outlet Check Valve (prevents backflow)
• 2 Metres of 1/4" Tubing (for connections)

Key Benefits

• Zero overflow risk — Float valve closes inlet when full; auto shutoff stops RO production and waste flow.
• Water & energy savings — Eliminates continuous waste water once reservoir is topped up.
• Simple & reliable — Mechanical design—no electricity needed for core shutoff; durable components for long-term use.
• Easy DIY installation — Quick plumbing with 1/4" quick-connect fittings; full instructions via linked guide (or contact us for help).
• Versatile for high-purity needs — Great for aquariums (stable ATO levels), spot-free rinsing, or bulk pure water storage.

Specifications

• Tubing/Fittings: Standard 1/4" quick-connect compatible
• Manufacturer: Osmotics
• Weight: 0.15 kg
• SKU: OS-ASK

Recommended Replacement/Maintenance

• Inspect annually for scale/build-up (common in hard water areas).
• Replace float valve or seals every 2–3 years if sticking occurs.
• Monitor for leaks during first uses.

This great-value kit delivers dependable automation and is trusted for UK RO setups—especially aquariums and professional use. In stock with fast UK delivery (next-day options available). Pair it with our High Pressure Switch for boosted systems, or PVC Float Valve spares for larger tanks.