Waterway 1" Notched Air Control [1-5/8" HS, 2-3/4" FD] [Black] (660-3571) horizonventures A properly selected replacement helps

A properly selected replacement helps preserve the intended schedule behavior of the equipment instead of forcing the user to adopt a less suitable substitute

High-output motors are built for consistent performance under load

The multi-model compatibility gives this part practical value because wet-end components work best when they match the original pump relationship closely

When a pump cord is damaged or incorrectly matched

Helps restore a cleaner and more readable panel surface

Waterway 1" Notched Air Control [1-5/8" HS, 2-3/4" FD] [Black] (660-3571) horizonventures A properly selected replacement helpsThe Waterway 660 3571 notched air control is designed for compatible spa air systems and features a 1 5 8 inch hole size with a 2 3 4 inch face diameter in black. Air controls like this are used to manage the amount of air introduced into the system, helping fine tune the feel of the jets and the overall spa experience. The notched design is useful where the installation calls for that specific control style, and the black finish can be a good visual