Waterway Main Drain Grate [Anti Vortex 8" Rnd w/Collar Gry] (640-2317V) uvgenerators and this DEL Ozone replacement

and this DEL Ozone replacement is designed for all MDV applications using the 9-0620 reference

Waterway main drain grate and frame assembly

In many serious rebuilds

A temperature sensor is useful because it provides the control system with the information needed to regulate water temperature accurately and consistently

Waterway Main Drain Grate [Anti Vortex 8" Rnd w/Collar Gry] (640-2317V) uvgenerators and this DEL Ozone replacementWaterway Main Drain Grate [Anti Vortex 8" Rnd w Collar Gry] (640 2317V) is a Waterway Plastics drain component made for pool, spa, or bath water management applications. Drain parts play an important role in helping water move properly through the system while maintaining a clean, finished installation at the surface or plumbing connection point. This replacement part is useful when servicing damaged drain covers, grates, frames, or low profile drain