Hayward DEX2420MAR2 Manual Air Relief Assembly For SwimClear(TM) and HCF Series Cartridge Filters and Pro-Grid(TM) Vertical Grid DE Filters
The Hayward ProGrid Vertical Grid DE Filter Manual Air Relief Assembly (Part No. DEX2420MAR2) is a genuine replacement component designed to restore proper manual air release functionality in DE and cartridge filter systems. This assembly is engineered to work seamlessly with Hayward Pro-Grid DE filters as well as SwimClear and Swim-Clear Cartridge Filters, ensuring that any trapped air in your filtration system can be released effectively to help maintain optimal operating pressure and extend overall system performance .
Key Features & Components
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Comprehensive Replacement: The assembly is typically provided as a complete kit—including the body of the air relief valve, all necessary O‑rings, a nut, the valve, and an integrated gauge. This ensures you have everything needed to reinstall or properly upgrade your manual air relief system without additional purchases .
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Functionality: By manually releasing trapped air, this assembly helps avoid air pockets that can reduce filter efficiency during backwashing or cleaning cycles. The integrated gauge also enables you to monitor the pressure, providing an additional layer of safety and maintenance convenience .
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Compatibility & Design: Designed for use with Hayward ProGrid Vertical Grid DE filters, the assembly fits securely, restoring your filter’s functionality and ensuring a leak‑free seal. Its design, which may include lubricated O‑rings for easier installation and a durable construction, helps with long-term reliability even under regular use .
Installation & Maintenance Considerations
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Installation: Before installation, always ensure that the filter system is depressurized and clean away any debris or old gasket material from the original air relief assembly. Following the manufacturer’s installation instructions is key to achieving a secure, leak‑free fit.
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Maintenance: Regular inspection of the assembly helps in identifying wear or degradation of the seals. During routine backwash or cleaning cycles, check the gauge to ensure that pressures remain within the manufacturer’s recommended guidelines.
Used On
- Hayward SwimClear Cartridge Filter 30 Series
- Hayward SwimClear Cartridge Filter 20 Series
- Hayward Pro-Grid Vertical Grid D.E. Filter Series
