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Watts APEX BA Series BigAI 1-1/2' Black Plastic High-Flow Dual-Level Reservoir/Tank Valve, Diaphragm Activated with Steel Pin, UV Stabilized Glass Fiber Reinforced Nylon, Agriculture & Irrigation

4.9 (1) Write Review
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$213.60

$ 88 .99 $88.99

In Stock
  • DUAL-LEVEL TANK VALVE: The Watts High-Flow Dual-Level Tank Valve is designed for use in large pump-fed water tanks or reservoirs that maintain full-flow, extremely high-volume levels of water. It features a differential dual-weight system that reduces pump wear and saves electricity.
  • DURABLE CONSTRUCTION: Crafted from fiberglass-reinforced nylon, acetyl (POM), and corrosion-resistant polyphenylene sulfide, this valve is built for durability and long life. It is diaphragm activated with a steel pin that runs inside the pilot center, which acts as a self-cleaning mechanism - unique to APEX valves.
  • FULL-FLOW VALVE: This 1-1/2" valve delivers a substantial flow rate until it automatically turns off, which ensures safe, efficient, and cost-effective fluid control in applications requiring high-volume water delivery.
  • VERSATILE APPLICATIONS: This valve is suitable for use in a wide array of settings, including irrigation, rainwater harvesting, agriculture, horticulture, livestock watering, farm and ranch, and/or hydroponic systems.
  • EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions.


The Watts High-Flow Dual-Level Tank Valve is designed for applications demanding continuous, high-volume water delivery. Ideal for large pump-fed water tanks or reservoirs, this valve ensures uninterrupted water flow while maintaining optimal fluid levels.
Crafted with precision from top-grade materials including fiberglass-reinforced nylon, acetyl (POM), and polyphenylene sulfide, this valve is engineered for longevity and durability, capable of withstanding the rigors of diverse environments. Its innovative design incorporates a differential dual-weight system, strategically engineered to minimize pump wear and maximize energy efficiency.
This valve features a diaphragm activation mechanism, complemented by a self-cleaning steel pin housed within the pilot center. This unique feature, exclusive to APEX valves, ensures impeccable performance by keeping the valve clear of debris, guaranteeing smooth operation and unparalleled reliability.
With a durable 1-1/2" build, this valve delivers an impressive flow rate, providing ample water supply until it automatically shuts off. This not only ensures efficient fluid control but also enhances safety and cost-effectiveness in high-demand applications, including irrigation, rainwater harvesting, agriculture, horticulture, livestock watering, farm and ranch operations, and hydroponic systems. Wherever there's a need for dependable, high-volume water delivery, the Watts High-Flow Dual-Level Tank Valve stands as the ultimate solution.


Florian R.
Reviewed in the United States on February 25, 2022
This is a heavy duty float switch. It is really hard to find any other company making something similiar. Together with a pressure switch it eliminates the need for long signal lines for pumping to tanks.