F110-10, F1110-10

Modulating for Constant Tank Level

Lead Free* Models Available


The WATTS ACV Modulating Float Control Valve is designed to maintain a constant liquid level in a tank or reservoir. It throttles open on a lowering liquid level and throttles closed upon a rising liquid level.

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Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

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*The wetted surface of our Lead Free products contacted by consumable water contain less than one quarter of one percent (0.25%) of lead by weight.

Featured Item

Automatic Control Valves Catalog
Find out the general procedures, sizing for multiple fixtures and typical interceptor installations.

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Learn About

Frequently Asked Questions
Want to know more about Watts Automatic Control Valves? Visit the Watts ACV Frequently Asked Questions page to learn how to size an ACV, what a dynamic quad seal is and to learn the benefits of fused epoxy coating.

For more info, click here.