Waterway Diverter Lower [Square Skimmer Filter] (519-4000) lightingbulbs this Hayward air tube is

this Hayward air tube is a practical replacement when the original 2-1/2 inch component needs renewal

Supports cleaner and more accurate plumbing routing

Valve body assemblies are useful because they support the internal working passages and plumbing connection points of the valve

A properly selected capacitor helps restore intended startup assistance and contributes to stronger equipment performance

When a full-size cartridge is unnecessary

Waterway Diverter Lower [Square Skimmer Filter] (519-4000) lightingbulbs this Hayward air tube isWaterway Diverter Lower [Square Skimmer Filter] is a replacement skimmer component for compatible Waterway skimmer or filter assemblies. It helps support proper water flow, debris handling, and component alignment inside the skimmer system. It is a useful service part when restoring skimmer function or replacing a worn component that affects fit, water routing, or routine pool maintenance. Before ordering, compare the part number, connection size,