Waterway 12"X 12" Main Drain Grate & Frame [White] (640-4720 V) transformers A valve like this is

A valve like this is important because it affects the day-to-day function of the full filtration cycle

Improves service control and tool versatility

filtration

It provides reliable output for smaller systems that still require dependable flow and pressure

This version is especially helpful when the original switch has become inconsistent

Waterway 12"X 12" Main Drain Grate & Frame [White] (640-4720 V) transformers A valve like this isThe Waterway 640 4720V main drain grate and frame assembly is designed for compatible drain applications in a 12 inch by 12 inch format. A complete grate and frame set is useful because it provides both the visible cover and the surrounding support structure needed for a cleaner and more complete drain installation. For service work, replacing both components together can be a smart approach when the original grate is broken, faded, or no longer