FT200 3/8″NPT Auto Fill Float Valve – Automatic Water Level Control for Pool & Water Tank – Fits 8″ Canister – Wingnut Adjustment, +5/8″ Stem, 7.2 GPM, 60 PSI – Replaceable Seal – Made in USA

Stop managing your water levels manually and upgrade to an automatic system built for consistency.The FT200 Auto Fill Float Valve is a heavy-duty automatic water level control valve designed for homeowners and professionals who need accurate water regulation in in-ground pools, 8-inch autofill canisters, water tanks, spas, ponds, fountains, and livestock watering systems. It automatically opens when water drops and closes once the set level is reached—helping prevent overflow, underfill, and wasted water without requiring electricity or complex mechanisms.One of the standout advantages of the FT200 is its large wingnut adjustment, allowing users to set the desired water level quickly and precisely. This makes it easy to achieve consistent fill height, reducing guesswork and saving time during setup or seasonal adjustments.For improved leverage and stable shutoff control, the FT200 also features an adjustable float stem that extends +5/8″, enhancing responsiveness and performance across varying installations.Built for demanding environments, the FT200 uses a NSF-approved PVC body and 18-8 stainless steel hardware for exceptional corrosion resistance and long-term durability in wet, chemical-exposed conditions. Whether installed in a pool autofill canister, tank system, or outdoor water application, it is engineered for dependable long-term performance.The FT200 is optimized with a 0.187″ orifice, delivering reliable flow rates of 4.4 GPM at 20 PSI and up to 7.2 GPM at 60 PSI, ensuring efficient refill performance while maintaining stable automatic regulation.To reduce maintenance costs over time, the valve features a replaceable Santoprene rubber seal, so you can service the valve without replacing the entire assembly—an advantage over disposable float valve designs.Compatible with many common 8-inch autofill systems, this valve is a dependable upgrade for pool autofill systems and multi-purpose water level control applications.Set it once. Maintain consistent water levels automatically. Enjoy durability you can rely on.

• ✅ TOTAL CONFIDENCE — MAINTAIN THE PERFECT WATER LEVEL AUTOMATICALLY: This automatic water level control float valve works continuously to stabilize water levels in pools and tanks, helping prevent overflow, underfill, and unnecessary refilling. Reliable 24/7 operation with no electricity or complicated components required.
• ✅ FAST, EASY ADJUSTMENT — LARGE WINGNUT FOR PRECISE WATER LEVEL CONTROL: Designed with a large wingnut adjustment mechanism that makes it simple to set your ideal fill height with accuracy. Get consistent water levels with minimal effort, reducing maintenance time while improving overall system performance.
• ✅ GREATER LEVERAGE & RESPONSIVENESS — FLOAT STEM EXTENDS +5/8″: The adjustable float stem extends +5/8″ for optimal leverage and improved responsiveness, supporting smoother shutoff action and more reliable control in 8-inch canister applications, water tanks, and auto-fill systems.
• ✅ BUILT FOR HARSH ENVIRONMENTS — HEAVY-DUTY PVC + STAINLESS STEEL HARDWARE: Constructed with NSF-approved PVC and durable 18-8 stainless steel hardware to resist corrosion, chemical exposure, and constant water contact. Ideal for in-ground pools, spas, fountains, ponds, livestock troughs, and outdoor tank installations.
• ✅ HIGH-PERFORMANCE FLOW — RELIABLE FILLING UNDER PRESSURE: Optimized with a 0.187″ orifice, delivering 4.4 GPM @ 20 PSI and up to 7.2 GPM @ 60 PSI for dependable water regulation. Maintains consistent refill performance while supporting efficient automatic shutoff.
• ✅ SMART MAINTENANCE DESIGN — REPLACE THE SEAL, NOT THE ENTIRE VALVE: Features a replaceable rubber seal, allowing servicing without replacing the full valve assembly. This reduces long-term cost, extends product life, and offers a more dependable solution compared to disposable float valves.
• ✅ TWO SIZE OPTIONS — CHOOSE 1/2″ OR 3/8″ NPT CONNECTIONS: Available in 1/2″ NPT for higher flow and the most common pool autofill installations, or 3/8″ NPT for smaller plumbing lines and controlled fill systems. Same durable construction—select the thread size that matches your setup.