Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric The Hayward return-side insulation component

The Hayward return-side insulation component is designed for compatible Low NOx heater applications where the original insulating section needs replacement

slip or spigot configuration

Useful when replacing a worn or flattened original seal

Helps restore proper internal flow-management support

Useful when the original fitting is damaged or worn

Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric The Hayward return-side insulation componentThe Waterway 210 6190 Poly Jet internal is designed for compatible jet assemblies and features a 4 3 16 inch face diameter with roto action, deluxe scallop styling, and a white finish. An internal like this is useful because it combines a larger visible trim format with an active user facing jet pattern that helps restore the original feel of the assembly. The deluxe scalloped face gives this Waterway part a polished, premium look at the spa surface,