OEM Hayward DEX2420MAR2 Complete Manual Air Relief Assembly is a genuine replacement for Hayward Pro-Grid DE and SwimClear cartridge filters. Designed to efficiently release trapped air from the filter tank, this assembly helps maintain consistent internal pressure and optimal water flow. Its manual relief valve is easy to operate, simplifying routine maintenance while protecting the system from air-related pressure issues. Built from corrosion-resistant materials for lasting durability, the DEX2420MAR2 supports clean, reliable filtration performance across a wide range of Hayward filter models.

• OEM Assembly for Air Relief Systems: Compatible with Hayward Pro-Grid DE and SwimClear cartridge filter models

• Manual Valve for Air Purging: Enables easy, controlled release of trapped air from the filter tank to protect internal pressure

• Supports Consistent Filtration Flow: Prevents airlocks and pressure fluctuations that can disrupt filter operation

• Durable, Pool-Grade Construction: Built from materials engineered to resist pool chemicals and long-term exposure

• Key for Efficient Filter Maintenance: Helps extend equipment lifespan and simplifies pressure regulation during servicing

• Hayward ProGrid Vertical Grid DE Series Filter:ÊDE2420, DE3620, DE4820, DE6020, DE7220
• Hayward SwimClear Cartridge Filter:ÊÊC2030, C3030, C4030, C5030, C7030

Note: This may be compatible with your filter, please check owners manual to ensure compatibility.

Fixing Air Pressure and Venting Problems

air trapped in filter dome not purging properly

pressure spike from stuck manual air relief valve

de filter not venting replace with dex2420mar2 assembly

water leaking from valve top check air relief seal

air returns to pool after cleaning replace valve system

In-Store Replacement for Fast Repairs

buy dex2420mar2 air relief assembly in store today

walk in for hayward filter valve replacement part

local shop stocks complete air relief for de3620

same-day pickup for swimclear air purge assembly

valve available locally for de and cartridge filters

Compatibility and Setup Support

does dex2420mar2 fit swimclear c4030 filter lid

complete air relief fits de2420 to de7220 filters

includes all parts for manual air release replacement

designed for hayward top dome valve connection

oem part for cartridge and vertical grid systems