Hayward Air Relief Assy, Swim-Clear/Pro-Grid, Manual, 2007+ (DEX2420MAR2) ozone Useful when original topsides are

Useful when original topsides are worn or unreliable

A tubing blade cutter helps make cleaner cuts when servicing compatible vinyl tubing

0 THP pre-2004 applications where the original impeller has cracked

Split nuts are useful when servicing heater unions because they can often be installed without fully disassembling surrounding plumbing

Useful when replacing a worn or unresponsive large-format topside

Hayward Air Relief Assy, Swim-Clear/Pro-Grid, Manual, 2007+ (DEX2420MAR2) ozone Useful when original topsides areAn air relief assembly helps release trapped air from a compatible filter system so the unit can operate more efficiently and predictably, and this Hayward manual version is designed for Swim Clear and Pro Grid applications from 2007 forward using the DEX2420MAR2 reference. Air relief components are important because air buildup can affect startup behavior and overall filter performance. This assembly has practical value because it is matched to