Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric A properly selected replacement helps

A properly selected replacement helps restore intended debris capture while preserving a cleaner

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

This configuration is built for that kind of workload

When the skimmer area starts showing age

Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric A properly selected replacement helpsThe 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,