Hayward AquaTrol Above Ground Salt Chlorine Generator 18K gal w/ Return Jet & Twist Lock | W3AQ-TROL-RJ-TL Valve Rebuild Kits Low Profile This part was designed for

This part was designed for these suction cleaners and is a threaded quick-connect adapter meant to connect itself to the vac port or vacuum line on your pool wall (if your pool has one

This part is dark Blue and round and has an opening in the center which allows you to snap it into place on the hose and should sit behind the cleaner

It also locks it into place

The bag clips itself to the backside of the top assembly where it can collect the dirt and debris that is dispersed out of the vacuum tube

Hayward AquaTrol Above Ground Salt Chlorine Generator 18K gal w/ Return Jet & Twist Lock | W3AQ-TROL-RJ-TL Valve Rebuild Kits Low Profile This part was designed forThe AquaTrol is an automatic chlorine generation system with a built in filter pump timer designed specifically for above ground pools. The operation requires a low concentration of salt (sodium chloride) in the pool water at levels low enough that it normally will not be tasted. The AquaTrol automatically sanitizes your pool by converting the salt into free chlorine which kills bacteria and algae in the pool through a process called electrolysis.