Low Cost Venturi Book One controller is required for

One controller is required for each feeder on the circuit

But these windmills do require slightly higher wind speeds to start as they do not have a recovery stroke

Due to sloped bottoms tanks must be supported by a stand or 18” bed of sand

Dual barb position feature only available with plastic base diffusers

Low Cost Venturi Book One controller is required forOur venturi fittings were engineered to entrain the greatest amount of air with the least resistance to water pressure. When pumping water, these may be used to draw in liquids or gases, including low strength ozone. Made of PVC with standard slip connections. Venturi 4734 is fiber reinforced plastic and has male slip ends. Made in USA.