Hayward Air Relief Assy, Swim-Clear/Pro-Grid, Manual, 2007+ (DEX2420MAR2) ozone Split nuts are useful when

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

Helps support easier routine water monitoring

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

This type of tool is especially useful when routine equipment maintenance involves repeated lock nut access and a dependable socket-style fit is needed

Useful when original topsides are worn or unreliable

Hayward Air Relief Assy, Swim-Clear/Pro-Grid, Manual, 2007+ (DEX2420MAR2) ozone Split nuts are useful whenAn 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