Hayward Manual Air Relief Assembly for SwimClear Cartridge Filters and ProGrid DE Filters | DEX2420MAR2 Parts - Whitegoods / Flow Fittings 0 HP models — do

0 HP models — do not install in 1

substituting a standard O-ring of the same inside diameter will not produce an adequate seal — the square cross-section is a design-specific requirement of these closure assemblies

pH — Phenol Red indicator

The Diaphragm opens and closes causing the G3 cleaner to hop up and down on the bottom of the pool

If your Prowler or Warrior cleaner fails to power on or loses power intermittently

Hayward Manual Air Relief Assembly for SwimClear Cartridge Filters and ProGrid DE Filters | DEX2420MAR2 Parts - Whitegoods / Flow Fittings 0 HP models — doThe Hayward Manual Air Relief Assembly (DEX2420MAR2) is the OEM replacement air relief valve assembly for Hayward SwimClear Multi Element Cartridge Filters and ProGrid DE Filters. This assembly allows trapped air to be manually purged from the filter tank before start up and during routine maintenance. Releasing air from the tank ensures the filter operates at correct pressure and prevents air locks that can affect flow and filtration performance.