Aquatonics DEX2420MAR2 Manual Air Relief Valve with Gauge – Replacement for Hayward Pro Grid DE & SwimClear

Upgrade your pool filtration with the Aquatonics DEX2420MAR2 Manual Air Relief Valve Assembly, now with an improved pressure gauge and a complete kit for quick, reliable replacement. This valve helps manage trapped air in the filter, supporting steady water flow and balanced pool water without requiring complex setup. Built for durability, it blends corrosion-resistant materials with a robust seal to support long-term filtration performance in residential and commercial pools alike.

Overview and compatibility

The DEX2420MAR2 is designed as a versatile replacement for a wide range of filters. It fits Hayward Pro Grid DE filters, SwimClear DE and cartridge filters, and DEP 500 Series units, reducing the need for multiple parts. This broad compatibility means you can use a single, reliable valve across several common pool systems, simplifying maintenance and inventory planning.

The upgraded pressure gauge gives you clearer insight into your filter’s status, helping you decide when to service or clean the system. While it can help prevent high-pressure scenarios, the valve is designed to support ongoing, balanced filtration without promising guaranteed results in every situation.

What’s included

• Complete valve assembly with pressure gauge
• O-rings and gaskets for a secure, leak-free seal
• Corrosion-resistant materials designed for durability

Benefits at a glance

• Efficient air relief to maintain consistent flow and reduce blockages
• Direct replacement for multiple models, simplifying upgrades
• Enhanced sealing to minimize leaks and noise
• Corrosion-resistant construction for long-term reliability
• Tool-free, quick installation for hassle-free maintenance

Installation tips

Installation is straightforward and tool-free. Remove the old valve, clean out debris, lubricate the O-rings, and snap in the new DEX2420MAR2 assembly. In many cases, you can complete the swap without professional help, saving time and disruption to your pool routine.

Performance and durability

Designed to withstand damp environments, the valve’s upgraded gauge and robust seals contribute to dependable operation over time. The combination of sturdy materials and precise fitting helps maintain filtration efficiency and water clarity, supporting a well-maintained pool with less regular downtime.

Note that while the DEX2420MAR2 is built to fit a broad range of models and replace several part numbers, always verify model compatibility with your specific filtration setup before purchase. This replacement offers a practical option for ongoing pool maintenance and system longevity.